diff --git a/artifacts/toolrate/package.json b/artifacts/toolrate/package.json
index 33c9bdf..90045d3 100644
--- a/artifacts/toolrate/package.json
+++ b/artifacts/toolrate/package.json
@@ -56,6 +56,7 @@
     "date-fns": "^3.6.0",
     "embla-carousel-react": "^8.6.0",
     "framer-motion": "catalog:",
+    "i18next": "^26.3.6",
     "input-otp": "^1.4.2",
     "lucide-react": "catalog:",
     "next-themes": "^0.4.6",
@@ -63,6 +64,7 @@
     "react-day-picker": "^9.11.1",
     "react-dom": "catalog:",
     "react-hook-form": "^7.55.0",
+    "react-i18next": "^17.0.11",
     "react-icons": "^5.4.0",
     "react-resizable-panels": "^2.1.7",
     "recharts": "^2.15.2",
diff --git a/artifacts/toolrate/src/App.tsx b/artifacts/toolrate/src/App.tsx
index 0699a0f..92babec 100644
--- a/artifacts/toolrate/src/App.tsx
+++ b/artifacts/toolrate/src/App.tsx
@@ -1,5 +1,7 @@
 import { Switch, Route, Router as WouterRouter } from "wouter";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
+import { I18nextProvider } from "react-i18next";
+import i18n from "@/i18n";
 import { Toaster } from "@/components/ui/toaster";
 import { TooltipProvider } from "@/components/ui/tooltip";
 
@@ -49,14 +51,16 @@ function Router() {
 
 function App() {
   return (
-    <QueryClientProvider client={queryClient}>
-      <TooltipProvider>
-        <WouterRouter base={import.meta.env.BASE_URL.replace(/\/$/, "")}>
-          <Router />
-        </WouterRouter>
-        <Toaster />
-      </TooltipProvider>
-    </QueryClientProvider>
+    <I18nextProvider i18n={i18n}>
+      <QueryClientProvider client={queryClient}>
+        <TooltipProvider>
+          <WouterRouter base={import.meta.env.BASE_URL.replace(/\/$/, "")}>
+            <Router />
+          </WouterRouter>
+          <Toaster />
+        </TooltipProvider>
+      </QueryClientProvider>
+    </I18nextProvider>
   );
 }
 
diff --git a/artifacts/toolrate/src/components/command-palette.tsx b/artifacts/toolrate/src/components/command-palette.tsx
index 9f37650..ef3ff15 100644
--- a/artifacts/toolrate/src/components/command-palette.tsx
+++ b/artifacts/toolrate/src/components/command-palette.tsx
@@ -11,6 +11,7 @@ import {
   CommandSeparator,
 } from "@/components/ui/command";
 import { useAuth } from "@/hooks/use-auth";
+import { useTranslation } from "react-i18next";
 import {
   Compass,
   PlusCircle,
@@ -23,6 +24,7 @@ import {
 
 export function CommandPalette() {
   const [, navigate] = useLocation();
+  const { t } = useTranslation();
   const { isAuthenticated, isAdmin, hasFeature } = useAuth();
   const [open, setOpen] = useState(false);
   const [search, setSearch] = useState("");
@@ -65,7 +67,7 @@ export function CommandPalette() {
   return (
     <CommandDialog open={open} onOpenChange={setOpen}>
       <CommandInput
-        placeholder="Search tools or jump to…"
+        placeholder={`${t("common.search")}…`}
         value={search}
         onValueChange={(v) => {
           setSearch(v);
@@ -78,27 +80,27 @@ export function CommandPalette() {
         </CommandEmpty>
         <CommandGroup heading="Navigate">
           <CommandItem onSelect={() => go("/tools")}>
-            <Compass className="mr-2 h-4 w-4" /> Browse Tools
+            <Compass className="mr-2 h-4 w-4" /> {t("nav.browseTools")}
           </CommandItem>
           <CommandItem onSelect={() => go("/tools/new")}>
-            <PlusCircle className="mr-2 h-4 w-4" /> Add a Tool
+            <PlusCircle className="mr-2 h-4 w-4" /> {t("nav.addTool")}
           </CommandItem>
           <CommandItem onSelect={() => go("/analytics")}>
-            <BarChart3 className="mr-2 h-4 w-4" /> Analytics
+            <BarChart3 className="mr-2 h-4 w-4" /> {t("nav.analytics")}
           </CommandItem>
           {showWatchlist && (
             <CommandItem onSelect={() => go("/watchlist")}>
-              <Star className="mr-2 h-4 w-4" /> My Watchlist
+              <Star className="mr-2 h-4 w-4" /> {t("nav.watchlist")}
             </CommandItem>
           )}
           {showTrash && (
             <CommandItem onSelect={() => go("/trash")}>
-              <Trash2 className="mr-2 h-4 w-4" /> Trash
+              <Trash2 className="mr-2 h-4 w-4" /> {t("nav.trash")}
             </CommandItem>
           )}
           {isAdmin && (
             <CommandItem onSelect={() => go("/admin")}>
-              <ShieldCheck className="mr-2 h-4 w-4" /> Admin
+              <ShieldCheck className="mr-2 h-4 w-4" /> {t("nav.admin")}
             </CommandItem>
           )}
         </CommandGroup>
diff --git a/artifacts/toolrate/src/components/compare-bar.tsx b/artifacts/toolrate/src/components/compare-bar.tsx
index 0f1641e..1221601 100644
--- a/artifacts/toolrate/src/components/compare-bar.tsx
+++ b/artifacts/toolrate/src/components/compare-bar.tsx
@@ -2,6 +2,7 @@ import { X, Scale, Lock } from "lucide-react";
 import type { ToolWithStats } from "@workspace/api-client-react";
 import { cn } from "@/lib/utils";
 import { Button } from "@/components/ui/button";
+import { useTranslation } from "react-i18next";
 
 export function CompareBar({
   tools,
@@ -18,6 +19,7 @@ export function CompareBar({
   onCompare: () => void;
   onUpgrade: () => void;
 }) {
+  const { t } = useTranslation();
   if (tools.length === 0) return null;
   return (
     <div className="fixed bottom-4 left-1/2 -translate-x-1/2 z-50 w-[min(96vw,42rem)]">
@@ -49,17 +51,17 @@ export function CompareBar({
               onClick={onClear}
               className="text-xs text-muted-foreground hover:text-foreground whitespace-nowrap px-1"
             >
-              Clear
+              {t("common.clear")}
             </button>
           </div>
           {canCompare ? (
             <Button size="sm" onClick={onCompare} disabled={tools.length < 2}>
-              Compare ({tools.length})
+              {t("browse.compareCount", { count: tools.length })}
             </Button>
           ) : (
-            <Button size="sm" variant="outline" onClick={onUpgrade} title="Compare is a Premium feature">
+            <Button size="sm" variant="outline" onClick={onUpgrade} title={t("browse.comparePremiumTitle")}>
               <Lock className="w-3.5 h-3.5 mr-1.5" />
-              Compare
+              {t("browse.compare")}
             </Button>
           )}
         </div>
diff --git a/artifacts/toolrate/src/components/filter-popover.tsx b/artifacts/toolrate/src/components/filter-popover.tsx
index 31f0992..d49a579 100644
--- a/artifacts/toolrate/src/components/filter-popover.tsx
+++ b/artifacts/toolrate/src/components/filter-popover.tsx
@@ -6,6 +6,8 @@ import { Label } from "@/components/ui/label";
 import { Slider } from "@/components/ui/slider";
 import { ScrollArea } from "@/components/ui/scroll-area";
 import { SlidersHorizontal, X } from "lucide-react";
+import { cn } from "@/lib/utils";
+import { useTranslation } from "react-i18next";
 
 export function FilterPopover({
   tags,
@@ -24,6 +26,7 @@ export function FilterPopover({
 }) {
   const { data: allTags } = useListAllTags();
   const { data: allFeatures } = useListAllFeatures();
+  const { t } = useTranslation();
 
   function toggle(list: string[], value: string): string[] {
     return list.includes(value) ? list.filter((v) => v !== value) : [...list, value];
@@ -34,7 +37,7 @@ export function FilterPopover({
       <PopoverTrigger asChild>
         <Button variant="outline" size="sm" className="gap-2" data-testid="button-filters">
           <SlidersHorizontal className="w-4 h-4" />
-          Filters
+          {t("browse.filters")}
           {activeCount > 0 && (
             <span className="rounded-full bg-primary text-primary-foreground text-[10px] font-medium px-1.5 py-0.5 min-w-[1.25rem] text-center">
               {activeCount}
@@ -43,11 +46,11 @@ export function FilterPopover({
         </Button>
       </PopoverTrigger>
       <PopoverContent className="w-[340px]" align="start">
-        <div className="space-y-4">
+        <div className="space-y-3">
           {allTags && allTags.length > 0 && (
-            <div>
-              <h4 className="text-xs font-semibold uppercase tracking-wide text-muted-foreground mb-2">Tags</h4>
-              <ScrollArea className="h-40">
+            <div className="pb-3 border-b border-border/60">
+              <h4 className="text-xs font-semibold uppercase tracking-wide text-muted-foreground mb-2">{t("filter.tags")}</h4>
+              <ScrollArea className="max-h-40">
                 <div className="space-y-1.5 pr-2">
                   {allTags.map((t) => (
                     <Label key={t} className="flex items-center gap-2 text-sm font-normal cursor-pointer">
@@ -63,9 +66,9 @@ export function FilterPopover({
             </div>
           )}
           {allFeatures && allFeatures.length > 0 && (
-            <div>
-              <h4 className="text-xs font-semibold uppercase tracking-wide text-muted-foreground mb-2">Features</h4>
-              <ScrollArea className="h-40">
+            <div className="pb-3 border-b border-border/60">
+              <h4 className="text-xs font-semibold uppercase tracking-wide text-muted-foreground mb-2">{t("filter.features")}</h4>
+              <ScrollArea className="max-h-40">
                 <div className="space-y-1.5 pr-2">
                   {allFeatures.map((f) => (
                     <Label key={f} className="flex items-center gap-2 text-sm font-normal cursor-pointer">
@@ -82,7 +85,7 @@ export function FilterPopover({
           )}
           <div>
             <div className="flex items-center justify-between mb-2">
-              <h4 className="text-xs font-semibold uppercase tracking-wide text-muted-foreground">Min. rating</h4>
+              <h4 className="text-xs font-semibold uppercase tracking-wide text-muted-foreground">{t("filter.minRating")}</h4>
               {minRating != null && (
                 <Button
                   variant="ghost"
@@ -105,12 +108,12 @@ export function FilterPopover({
                 aria-label="Minimum rating"
               />
               <span className="text-sm tabular-nums w-8 text-right text-muted-foreground">
-                {minRating != null ? `${minRating.toFixed(1)}+` : "Any"}
+                {minRating != null ? `${minRating.toFixed(1)}+` : t("filter.any")}
               </span>
             </div>
           </div>
           <Button variant="outline" size="sm" className="w-full" onClick={onClear}>
-            Clear filters
+            {t("filter.clearFilters")}
           </Button>
         </div>
       </PopoverContent>
diff --git a/artifacts/toolrate/src/components/language-switcher.tsx b/artifacts/toolrate/src/components/language-switcher.tsx
new file mode 100644
index 0000000..06d9679
--- /dev/null
+++ b/artifacts/toolrate/src/components/language-switcher.tsx
@@ -0,0 +1,44 @@
+import { useTranslation } from "react-i18next";
+import { Languages, Check } from "lucide-react";
+import { Button } from "@/components/ui/button";
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuLabel,
+  DropdownMenuSeparator,
+  DropdownMenuTrigger,
+} from "@/components/ui/dropdown-menu";
+import { SUPPORTED_LANGUAGES, setStoredLanguage, type LanguageCode } from "@/i18n";
+import { cn } from "@/lib/utils";
+
+export function LanguageSwitcher() {
+  const { i18n, t } = useTranslation();
+  const current = (i18n.language?.split("-")[0] ?? "en") as LanguageCode;
+
+  function change(lang: LanguageCode) {
+    setStoredLanguage(lang);
+    void i18n.changeLanguage(lang);
+  }
+
+  return (
+    <DropdownMenu>
+      <DropdownMenuTrigger asChild>
+        <Button variant="ghost" size="sm" className="gap-1.5" aria-label={t("common.language")} data-testid="button-language">
+          <Languages className="w-4 h-4" />
+          <span className="hidden sm:inline text-xs uppercase font-semibold">{current}</span>
+        </Button>
+      </DropdownMenuTrigger>
+      <DropdownMenuContent align="end">
+        <DropdownMenuLabel>{t("common.language")}</DropdownMenuLabel>
+        <DropdownMenuSeparator />
+        {SUPPORTED_LANGUAGES.map(({ code, label }) => (
+          <DropdownMenuItem key={code} onClick={() => change(code)} className="justify-between">
+            {label}
+            {current === code && <Check className="w-4 h-4 text-primary" />}
+          </DropdownMenuItem>
+        ))}
+      </DropdownMenuContent>
+    </DropdownMenu>
+  );
+}
diff --git a/artifacts/toolrate/src/components/layout.tsx b/artifacts/toolrate/src/components/layout.tsx
index a247371..7678a1a 100644
--- a/artifacts/toolrate/src/components/layout.tsx
+++ b/artifacts/toolrate/src/components/layout.tsx
@@ -1,28 +1,31 @@
 import { Link, useLocation } from "wouter";
 import { LayoutDashboard, Wrench, PlusCircle, BarChart3, LogIn, LogOut, User, ShieldCheck, AlertTriangle, Trash2, Bookmark } from "lucide-react";
+import { useTranslation } from "react-i18next";
 import { useAuth } from "@/hooks/use-auth";
 import { useGetVersion, getGetVersionQueryKey } from "@workspace/api-client-react";
 import { Button } from "@/components/ui/button";
 import { Skeleton } from "@/components/ui/skeleton";
 import { ThemeToggle } from "@/components/theme-toggle";
 import { CommandPalette } from "@/components/command-palette";
+import { LanguageSwitcher } from "@/components/language-switcher";
 
 export function Layout({ children }: { children: React.ReactNode }) {
   const [location] = useLocation();
+  const { t } = useTranslation();
   const { user, isLoading, isAuthenticated, isAdmin, isLocalMode, tier, hasFeature, login, logout } = useAuth();
   const { data: version } = useGetVersion({
     query: { queryKey: getGetVersionQueryKey(), staleTime: Infinity, retry: false },
   });
 
   const links = [
-    { href: "/", label: "Dashboard", icon: LayoutDashboard },
-    { href: "/tools", label: "Browse Tools", icon: Wrench },
-    { href: "/tools/new", label: "Add Tool", icon: PlusCircle },
-    { href: "/analytics", label: "Analytics", icon: BarChart3 },
-    ...(hasFeature("watchlist") ? [{ href: "/watchlist", label: "Watchlist", icon: Bookmark }] : []),
-    ...(hasFeature("trash") ? [{ href: "/trash", label: "Trash", icon: Trash2 }] : []),
-    ...(isAdmin ? [{ href: "/admin", label: "Admin", icon: ShieldCheck }] : []),
-    ...(isAdmin ? [{ href: "/admin/redundancy", label: "Redundancy", icon: AlertTriangle }] : []),
+    { href: "/", label: t("nav.home"), icon: LayoutDashboard },
+    { href: "/tools", label: t("nav.browseTools"), icon: Wrench },
+    { href: "/tools/new", label: t("nav.addTool"), icon: PlusCircle },
+    { href: "/analytics", label: t("nav.analytics"), icon: BarChart3 },
+    ...(hasFeature("watchlist") ? [{ href: "/watchlist", label: t("nav.watchlist"), icon: Bookmark }] : []),
+    ...(hasFeature("trash") ? [{ href: "/trash", label: t("nav.trash"), icon: Trash2 }] : []),
+    ...(isAdmin ? [{ href: "/admin", label: t("nav.admin"), icon: ShieldCheck }] : []),
+    ...(isAdmin ? [{ href: "/admin/redundancy", label: t("nav.redundancy"), icon: AlertTriangle }] : []),
   ];
 
   const activeLink = links.find(
@@ -30,11 +33,11 @@ export function Layout({ children }: { children: React.ReactNode }) {
   );
 
   const mobileLinks = [
-    { href: "/", label: "Home", icon: LayoutDashboard },
-    { href: "/tools", label: "Tools", icon: Wrench },
-    ...(hasFeature("watchlist") ? [{ href: "/watchlist", label: "Watchlist", icon: Bookmark }] : []),
-    ...(hasFeature("trash") ? [{ href: "/trash", label: "Trash", icon: Trash2 }] : []),
-    { href: "/analytics", label: "Analytics", icon: BarChart3 },
+    { href: "/", label: t("nav.home"), icon: LayoutDashboard },
+    { href: "/tools", label: t("nav.browseTools"), icon: Wrench },
+    ...(hasFeature("watchlist") ? [{ href: "/watchlist", label: t("nav.watchlist"), icon: Bookmark }] : []),
+    ...(hasFeature("trash") ? [{ href: "/trash", label: t("nav.trash"), icon: Trash2 }] : []),
+    { href: "/analytics", label: t("nav.analytics"), icon: BarChart3 },
   ].slice(0, 5);
 
   return (
@@ -94,7 +97,7 @@ export function Layout({ children }: { children: React.ReactNode }) {
                 data-testid="button-logout"
               >
                 <LogOut className="w-4 h-4" />
-                Sign out
+                {t("auth.signOut")}
               </Button>
             </div>
           ) : (
@@ -106,7 +109,7 @@ export function Layout({ children }: { children: React.ReactNode }) {
               data-testid="button-login"
             >
               <LogIn className="w-4 h-4" />
-              {isLocalMode ? "Sign in" : "Sign in with Keycloak"}
+              {isLocalMode ? t("auth.signIn") : t("auth.signInKeycloak")}
             </Button>
           )}
         </div>
@@ -135,7 +138,10 @@ export function Layout({ children }: { children: React.ReactNode }) {
           <h1 className="text-sm font-semibold text-muted-foreground">
             {activeLink?.label ?? "toolr"}
           </h1>
-          <ThemeToggle />
+          <div className="flex items-center gap-1">
+            <LanguageSwitcher />
+            <ThemeToggle />
+          </div>
         </header>
         <header className="md:hidden border-b p-4 flex items-center justify-between bg-card">
           <Link href="/" className="flex items-center gap-2 text-primary font-bold text-lg">
@@ -143,6 +149,7 @@ export function Layout({ children }: { children: React.ReactNode }) {
             <span>toolr</span>
           </Link>
           <div className="flex items-center gap-1">
+            <LanguageSwitcher />
             <ThemeToggle />
             {!isLoading && (
               isAuthenticated ? (
@@ -152,7 +159,7 @@ export function Layout({ children }: { children: React.ReactNode }) {
               ) : (
                 <Button variant="outline" size="sm" onClick={() => login(location)} data-testid="button-login-mobile">
                   <LogIn className="w-4 h-4 mr-1" />
-                  Sign in
+                  {t("auth.signIn")}
                 </Button>
               )
             )}
diff --git a/artifacts/toolrate/src/i18n/index.ts b/artifacts/toolrate/src/i18n/index.ts
new file mode 100644
index 0000000..207426b
--- /dev/null
+++ b/artifacts/toolrate/src/i18n/index.ts
@@ -0,0 +1,37 @@
+import i18n from "i18next";
+import { initReactI18next } from "react-i18next";
+import en from "./locales/en.json";
+import de from "./locales/de.json";
+
+export const SUPPORTED_LANGUAGES = [
+  { code: "en", label: "English" },
+  { code: "de", label: "Deutsch" },
+] as const;
+
+export type LanguageCode = (typeof SUPPORTED_LANGUAGES)[number]["code"];
+
+const STORAGE_KEY = "toolr-language";
+
+export function getStoredLanguage(): LanguageCode {
+  if (typeof window === "undefined") return "en";
+  const stored = window.localStorage.getItem(STORAGE_KEY);
+  if (stored === "en" || stored === "de") return stored;
+  const nav = window.navigator.language?.toLowerCase() ?? "";
+  return nav.startsWith("de") ? "de" : "en";
+}
+
+export function setStoredLanguage(lang: LanguageCode) {
+  window.localStorage.setItem(STORAGE_KEY, lang);
+}
+
+void i18n.use(initReactI18next).init({
+  resources: {
+    en: { translation: en },
+    de: { translation: de },
+  },
+  lng: getStoredLanguage(),
+  fallbackLng: "en",
+  interpolation: { escapeValue: false },
+});
+
+export default i18n;
diff --git a/artifacts/toolrate/src/i18n/locales/de.json b/artifacts/toolrate/src/i18n/locales/de.json
new file mode 100644
index 0000000..77a9de8
--- /dev/null
+++ b/artifacts/toolrate/src/i18n/locales/de.json
@@ -0,0 +1,168 @@
+{
+  "app": {
+    "name": "toolr",
+    "tagline": "Tool-Bewertungsplattform"
+  },
+  "nav": {
+    "home": "Start",
+    "browseTools": "Tools durchsuchen",
+    "addTool": "Tool hinzufügen",
+    "analytics": "Analysen",
+    "watchlist": "Merkliste",
+    "trash": "Papierkorb",
+    "admin": "Admin",
+    "redundancy": "Redundanz"
+  },
+  "auth": {
+    "signIn": "Anmelden",
+    "signInKeycloak": "Mit Keycloak anmelden",
+    "signOut": "Abmelden",
+    "username": "Benutzername",
+    "password": "Passwort",
+    "login": "Anmelden",
+    "invalidCredentials": "Ungültiger Benutzername oder ungültiges Passwort",
+    "notAuthenticated": "Nicht angemeldet",
+    "loginSubtitle": "Melde dich bei deinem Konto an",
+    "loginDescription": "Gib deine Zugangsdaten ein, um fortzufahren"
+  },
+  "common": {
+    "cancel": "Abbrechen",
+    "save": "Speichern",
+    "delete": "Löschen",
+    "edit": "Bearbeiten",
+    "clear": "Leeren",
+    "clearAll": "Alle löschen",
+    "search": "Suchen",
+    "add": "Hinzufügen",
+    "back": "Zurück",
+    "backToTools": "Zurück zu den Tools",
+    "browseTools": "Tools durchsuchen",
+    "viewAll": "Alle anzeigen",
+    "loading": "Wird geladen…",
+    "all": "Alle",
+    "none": "Keine",
+    "language": "Sprache"
+  },
+  "home": {
+    "welcome": "Willkommen bei toolr",
+    "tagline": "Die Community-Plattform, auf der Ingenieure die Tools, die sie täglich nutzen, ehrlich bewerten.",
+    "totalTools": "Tools gesamt",
+    "totalRatings": "Bewertungen gesamt",
+    "avgRating": "Ø Bewertung",
+    "topRated": "Bestbewertete Tools",
+    "topRatedSub": "Höchste kombinierte Nützlichkeit und Benutzerfreundlichkeit.",
+    "recentlyAdded": "Zuletzt hinzugefügt",
+    "recentlyAddedSub": "Die neuesten Ergänzungen im Katalog.",
+    "noRatingsYet": "Noch keine Bewertungen",
+    "noRatingsSub": "Bewerte als Erster ein Tool und hilf der Community.",
+    "noTools": "Keine Tools gefunden",
+    "noToolsSub": "Es sind noch keine Tools in der Datenbank vorhanden."
+  },
+  "browse": {
+    "filters": "Filter",
+    "subtitle": "Entdecke und bewerte die besten Tools für deinen Stack.",
+    "allCategories": "Alle Kategorien",
+    "showingTool_one": "{{count}} Tool wird angezeigt",
+    "showingTool_other": "{{count}} Tools werden angezeigt",
+    "tool": "Tool",
+    "category": "Kategorie",
+    "rating": "Bewertung",
+    "reviews": "Bewertungen",
+    "noToolsFound": "Keine Tools gefunden",
+    "noToolsMatch": "Wir konnten keine Tools finden, die zu deinen Filtern passen. Versuche, die Suchkriterien anzupassen, oder füge ein neues Tool hinzu.",
+    "addTool": "Tool hinzufügen",
+    "compare": "Vergleichen",
+    "compareCount": "Vergleichen ({{count}})",
+    "addToCompare": "Zum Vergleich hinzufügen",
+    "removeFromCompare": "Aus dem Vergleich entfernen",
+    "comparePremiumTitle": "Vergleichen ist ein Premium-Feature",
+    "comparePremiumSub": "Das Vergleichen von Tools nebeneinander ist für Premium- und Enterprise-Nutzer verfügbar. Erweitere deinen Plan, um es freizuschalten.",
+    "notNow": "Später",
+    "upgradePremium": "Auf Premium upgraden",
+    "sortNewest": "Neueste",
+    "sortTopRated": "Bestbewertet",
+    "sortMostReviewed": "Meiste Bewertungen",
+    "sortNameAsc": "Name (A–Z)",
+    "sortNameDesc": "Name (Z–A)",
+    "sortRecentlyUpdated": "Zuletzt aktualisiert"
+  },
+  "filter": {
+    "tags": "Tags",
+    "features": "Funktionen",
+    "minRating": "Mindestbewertung",
+    "any": "Beliebig",
+    "clearFilters": "Filter zurücksetzen"
+  },
+  "detail": {
+    "ratingBreakdown": "Bewertungsaufschlüsselung",
+    "usefulness": "Nützlichkeit",
+    "usability": "Benutzerfreundlichkeit",
+    "scoreDistribution": "Punkteverteilung",
+    "scoreTrend": "Punkteverlauf",
+    "notEnoughRatings": "Noch nicht genügend Bewertungen für einen Verlauf.",
+    "reviews": "Bewertungen",
+    "basedOnReview_one": "Basierend auf {{count}} Bewertung",
+    "basedOnReview_other": "Basierend auf {{count}} Bewertungen",
+    "saveToWatchlist": "Zur Merkliste hinzufügen",
+    "savedToWatchlist": "Zur Merkliste hinzugefügt",
+    "removeFromWatchlist": "Von der Merkliste entfernen",
+    "visitWebsite": "Website besuchen",
+    "edit": "Bearbeiten",
+    "delete": "Löschen",
+    "noReviews": "Noch keine Bewertungen.",
+    "addReview": "Bewertung hinzufügen",
+    "yourRating": "Deine Bewertung",
+    "submit": "Bewertung absenden",
+    "relatedTools": "Ähnliche Tools",
+    "costs": "Kosten",
+    "addCost": "Kosten hinzufügen",
+    "recentRatings": "Letzte Bewertungen"
+  },
+  "compare": {
+    "title": "Tools vergleichen",
+    "subtitle": "{{count}} Tool(s) werden nebeneinander verglichen.",
+    "sideBySide": "Vergleich nebeneinander",
+    "bestValue": "Der beste Wert jeder Zeile ist hervorgehoben.",
+    "attribute": "Eigenschaft",
+    "rating": "Bewertung",
+    "reviews": "Bewertungen",
+    "description": "Beschreibung",
+    "lastUpdated": "Zuletzt aktualisiert",
+    "requiresPremium": "Vergleichen erfordert einen höheren Tarif",
+    "requiresPremiumSub": "Das Vergleichen von Tools nebeneinander ist für Premium- und Enterprise-Nutzer verfügbar.",
+    "nothingToCompare": "Nichts zu vergleichen",
+    "nothingToCompareSub": "Wähle mindestens ein Tool aus und kehre hierher zurück.",
+    "backToBrowse": "Zurück zur Übersicht"
+  },
+  "watchlist": {
+    "title": "Merkliste",
+    "subtitle": "Tools, die du für später gespeichert hast, mit Live-Punkten.",
+    "requiresPremium": "Die Merkliste erfordert einen höheren Tarif",
+    "requiresPremiumSub": "Das Speichern von Tools in deiner Merkliste ist für Premium- und Enterprise-Nutzer verfügbar.",
+    "empty": "Deine Merkliste ist leer",
+    "emptySub": "Durchsuche die Tools und klicke auf das Lesezeichen, um sie hier zu speichern.",
+    "remove": "Von der Merkliste entfernen"
+  },
+  "trash": {
+    "title": "Papierkorb",
+    "subtitle": "Gelöschte Tools werden hier aufbewahrt, bis sie wiederhergestellt oder endgültig entfernt werden.",
+    "requiresPremium": "Der Papierkorb erfordert einen höheren Tarif",
+    "requiresPremiumSub": "Der Papierkorb ist für Premium- und Enterprise-Nutzer verfügbar.",
+    "empty": "Der Papierkorb ist leer.",
+    "noMatch": "Keine Tools entsprechen deiner Suche.",
+    "trashedTools": "Gelöschte Tools",
+    "toolsInTrash_one": "{{count}} Tool im Papierkorb",
+    "toolsInTrash_other": "{{count}} Tools im Papierkorb",
+    "selected_one": "{{count}} ausgewählt",
+    "selected_other": "{{count}} ausgewählt",
+    "restore": "Wiederherstellen",
+    "deletePermanently": "Endgültig löschen",
+    "emptyTrash": "Papierkorb leeren",
+    "deletedAt": "Gelöscht am",
+    "deletedBy": "Gelöscht von"
+  },
+  "notFound": {
+    "text": "Diese Seite existiert nicht.",
+    "backHome": "Zurück zur Startseite"
+  }
+}
\ No newline at end of file
diff --git a/artifacts/toolrate/src/i18n/locales/en.json b/artifacts/toolrate/src/i18n/locales/en.json
new file mode 100644
index 0000000..db5f533
--- /dev/null
+++ b/artifacts/toolrate/src/i18n/locales/en.json
@@ -0,0 +1,168 @@
+{
+  "app": {
+    "name": "toolr",
+    "tagline": "Tool-Bewertungsplattform"
+  },
+  "nav": {
+    "home": "Home",
+    "browseTools": "Browse Tools",
+    "addTool": "Add Tool",
+    "analytics": "Analytics",
+    "watchlist": "Watchlist",
+    "trash": "Trash",
+    "admin": "Admin",
+    "redundancy": "Redundancy"
+  },
+  "auth": {
+    "signIn": "Sign in",
+    "signInKeycloak": "Sign in with Keycloak",
+    "signOut": "Sign out",
+    "username": "Username",
+    "password": "Password",
+    "login": "Login",
+    "invalidCredentials": "Invalid username or password",
+    "notAuthenticated": "Not authenticated",
+    "loginSubtitle": "Sign in to your account",
+    "loginDescription": "Enter your credentials to continue"
+  },
+  "common": {
+    "cancel": "Cancel",
+    "save": "Save",
+    "delete": "Delete",
+    "edit": "Edit",
+    "clear": "Clear",
+    "clearAll": "Clear all",
+    "search": "Search",
+    "add": "Add",
+    "back": "Back",
+    "backToTools": "Back to tools",
+    "browseTools": "Browse tools",
+    "viewAll": "View all",
+    "loading": "Loading…",
+    "all": "All",
+    "none": "None",
+    "language": "Language"
+  },
+  "home": {
+    "welcome": "Welcome to toolr",
+    "tagline": "The community hub where engineers honestly rate the tools they use daily.",
+    "totalTools": "Total Tools",
+    "totalRatings": "Total Ratings",
+    "avgRating": "Avg Rating",
+    "topRated": "Top Rated Tools",
+    "topRatedSub": "Highest combined usefulness and usability.",
+    "recentlyAdded": "Recently Added",
+    "recentlyAddedSub": "The latest additions to the catalog.",
+    "noRatingsYet": "No ratings yet",
+    "noRatingsSub": "Be the first to rate a tool and help the community.",
+    "noTools": "No tools found",
+    "noToolsSub": "There are no tools in the database yet."
+  },
+  "browse": {
+    "filters": "Filters",
+    "subtitle": "Discover and evaluate the best tools for your stack.",
+    "allCategories": "All Categories",
+    "showingTool_one": "Showing {{count}} tool",
+    "showingTool_other": "Showing {{count}} tools",
+    "tool": "Tool",
+    "category": "Category",
+    "rating": "Rating",
+    "reviews": "Reviews",
+    "noToolsFound": "No tools found",
+    "noToolsMatch": "We couldn't find any tools matching your current filters. Try adjusting your search criteria or add a new tool.",
+    "addTool": "Add Tool",
+    "compare": "Compare",
+    "compareCount": "Compare ({{count}})",
+    "addToCompare": "Add to compare",
+    "removeFromCompare": "Remove from compare",
+    "comparePremiumTitle": "Compare is a Premium feature",
+    "comparePremiumSub": "Comparing tools side-by-side is available to Premium and Enterprise users. Upgrade your plan to unlock it.",
+    "notNow": "Not now",
+    "upgradePremium": "Upgrade to Premium",
+    "sortNewest": "Newest",
+    "sortTopRated": "Top Rated",
+    "sortMostReviewed": "Most Reviewed",
+    "sortNameAsc": "Name (A–Z)",
+    "sortNameDesc": "Name (Z–A)",
+    "sortRecentlyUpdated": "Recently Updated"
+  },
+  "filter": {
+    "tags": "Tags",
+    "features": "Features",
+    "minRating": "Min. rating",
+    "any": "Any",
+    "clearFilters": "Clear filters"
+  },
+  "detail": {
+    "ratingBreakdown": "Rating Breakdown",
+    "usefulness": "Usefulness",
+    "usability": "Usability",
+    "scoreDistribution": "Score Distribution",
+    "scoreTrend": "Score Trend",
+    "notEnoughRatings": "Not enough ratings yet to show a trend.",
+    "reviews": "Reviews",
+    "basedOnReview_one": "Based on {{count}} review",
+    "basedOnReview_other": "Based on {{count}} reviews",
+    "saveToWatchlist": "Save to watchlist",
+    "savedToWatchlist": "Saved to watchlist",
+    "removeFromWatchlist": "Remove from watchlist",
+    "visitWebsite": "Visit Website",
+    "edit": "Edit",
+    "delete": "Delete",
+    "noReviews": "No reviews yet.",
+    "addReview": "Add Review",
+    "yourRating": "Your Rating",
+    "submit": "Submit Rating",
+    "relatedTools": "Related Tools",
+    "costs": "Costs",
+    "addCost": "Add Cost",
+    "recentRatings": "Recent Ratings"
+  },
+  "compare": {
+    "title": "Compare Tools",
+    "subtitle": "Comparing {{count}} tool(s) side-by-side.",
+    "sideBySide": "Side-by-side comparison",
+    "bestValue": "Best value in each row is highlighted.",
+    "attribute": "Attribute",
+    "rating": "Rating",
+    "reviews": "Reviews",
+    "description": "Description",
+    "lastUpdated": "Last updated",
+    "requiresPremium": "Compare requires a higher tier",
+    "requiresPremiumSub": "Compare tools side-by-side is available to Premium and Enterprise users.",
+    "nothingToCompare": "Nothing to compare",
+    "nothingToCompareSub": "Select at least one tool to compare and come back here.",
+    "backToBrowse": "Back to browse"
+  },
+  "watchlist": {
+    "title": "Watchlist",
+    "subtitle": "Tools you saved for later, with live scores.",
+    "requiresPremium": "Watchlist requires a higher tier",
+    "requiresPremiumSub": "Saving tools to your watchlist is available to Premium and Enterprise users.",
+    "empty": "Your watchlist is empty",
+    "emptySub": "Browse tools and click the bookmark to save them here.",
+    "remove": "Remove from watchlist"
+  },
+  "trash": {
+    "title": "Trash",
+    "subtitle": "Deleted tools are kept here until they are restored or permanently removed.",
+    "requiresPremium": "Trash requires a higher tier",
+    "requiresPremiumSub": "The trash is available to Premium and Enterprise users.",
+    "empty": "The trash is empty.",
+    "noMatch": "No tools match your search.",
+    "trashedTools": "Trashed Tools",
+    "toolsInTrash_one": "{{count}} tool in trash",
+    "toolsInTrash_other": "{{count}} tools in trash",
+    "selected_one": "{{count}} selected",
+    "selected_other": "{{count}} selected",
+    "restore": "Restore",
+    "deletePermanently": "Delete permanently",
+    "emptyTrash": "Empty trash",
+    "deletedAt": "Deleted at",
+    "deletedBy": "Deleted by"
+  },
+  "notFound": {
+    "text": "This page doesn't exist.",
+    "backHome": "Back to Home"
+  }
+}
\ No newline at end of file
diff --git a/artifacts/toolrate/src/pages/compare.tsx b/artifacts/toolrate/src/pages/compare.tsx
index eab88ad..e359b70 100644
--- a/artifacts/toolrate/src/pages/compare.tsx
+++ b/artifacts/toolrate/src/pages/compare.tsx
@@ -15,12 +15,14 @@ import { Card, CardContent, CardHeader, CardTitle, CardDescription } from "@/com
 import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/components/ui/table";
 import { ShieldAlert, Trophy, Scale } from "lucide-react";
 import { cn } from "@/lib/utils";
+import { useTranslation } from "react-i18next";
 
 function fmt(v: number | null | undefined): string {
   return v != null ? v.toFixed(1) : "–";
 }
 
 export default function Compare() {
+  const { t } = useTranslation();
   const { hasFeature, isLoading: authLoading } = useAuth();
   const search = useSearch();
 
@@ -50,10 +52,10 @@ export default function Compare() {
       <Layout>
         <div className="flex flex-col items-center justify-center py-20 gap-4">
           <ShieldAlert className="w-12 h-12 text-muted-foreground" />
-          <h2 className="text-2xl font-bold">Compare requires a higher tier</h2>
-          <p className="text-muted-foreground">Compare tools side-by-side is available to Premium and Enterprise users.</p>
+          <h2 className="text-2xl font-bold">{t("compare.requiresPremium")}</h2>
+          <p className="text-muted-foreground">{t("compare.requiresPremiumSub")}</p>
           <Button variant="outline" asChild>
-            <a href="/tools">Back to tools</a>
+            <a href="/tools">{t("common.backToTools")}</a>
           </Button>
         </div>
       </Layout>
@@ -77,10 +79,10 @@ export default function Compare() {
       <Layout>
         <div className="flex flex-col items-center justify-center py-20 gap-4">
           <Scale className="w-12 h-12 text-muted-foreground" />
-          <h2 className="text-2xl font-bold">Nothing to compare</h2>
-          <p className="text-muted-foreground">Select at least one tool to compare and come back here.</p>
+          <h2 className="text-2xl font-bold">{t("compare.nothingToCompare")}</h2>
+          <p className="text-muted-foreground">{t("compare.nothingToCompareSub")}</p>
           <Button variant="outline" asChild>
-            <a href="/tools">Browse tools</a>
+            <a href="/tools">{t("common.browseTools")}</a>
           </Button>
         </div>
       </Layout>
@@ -99,20 +101,20 @@ export default function Compare() {
     <Layout>
       <div className="space-y-6 pb-10">
         <div>
-          <h1 className="text-3xl font-bold tracking-tight mb-2">Compare Tools</h1>
-          <p className="text-muted-foreground">Comparing {list.length} tool(s) side-by-side.</p>
+          <h1 className="text-3xl font-bold tracking-tight mb-2">{t("compare.title")}</h1>
+          <p className="text-muted-foreground">{t("compare.subtitle", { count: list.length })}</p>
         </div>
 
         <Card>
           <CardHeader>
-            <CardTitle>Side-by-side comparison</CardTitle>
-            <CardDescription>Best value in each row is highlighted.</CardDescription>
+            <CardTitle>{t("compare.sideBySide")}</CardTitle>
+            <CardDescription>{t("compare.bestValue")}</CardDescription>
           </CardHeader>
           <CardContent className="overflow-x-auto">
             <Table>
               <TableHeader>
                 <TableRow>
-                  <TableHead className="w-44">Attribute</TableHead>
+                  <TableHead className="w-44">{t("compare.attribute")}</TableHead>
                   {list.map((t) => (
                     <TableHead key={t.id} className="min-w-[12rem]">
                       <div className="flex flex-col gap-1">
@@ -127,7 +129,7 @@ export default function Compare() {
               </TableHeader>
               <TableBody>
                 <TableRow>
-                  <TableCell className="font-medium">Rating</TableCell>
+                  <TableCell className="font-medium">{t("compare.rating")}</TableCell>
                   {list.map((t) => (
                     <TableCell key={t.id} className={cn(isBest(t.avgCombined, bestRating) && "bg-primary/5")}>
                       <div className="flex items-center gap-2">
@@ -155,7 +157,7 @@ export default function Compare() {
                   ))}
                 </TableRow>
                 <TableRow>
-                  <TableCell className="font-medium">Reviews</TableCell>
+                  <TableCell className="font-medium">{t("compare.reviews")}</TableCell>
                   {list.map((t) => (
                     <TableCell key={t.id} className={cn(isBest(t.ratingCount, bestReviews) && "bg-primary/5")}>
                       <span className="tabular-nums">{t.ratingCount}</span>
@@ -163,7 +165,7 @@ export default function Compare() {
                   ))}
                 </TableRow>
                 <TableRow>
-                  <TableCell className="font-medium">Description</TableCell>
+                  <TableCell className="font-medium">{t("compare.description")}</TableCell>
                   {list.map((t) => (
                     <TableCell key={t.id} className="text-sm text-muted-foreground align-top">
                       {t.description}
@@ -197,7 +199,7 @@ export default function Compare() {
                   ))}
                 </TableRow>
                 <TableRow>
-                  <TableCell className="font-medium">Last updated</TableCell>
+                  <TableCell className="font-medium">{t("compare.lastUpdated")}</TableCell>
                   {list.map((t) => (
                     <TableCell key={t.id} className="text-sm text-muted-foreground">
                       {new Date(t.updatedAt).toLocaleDateString()}
@@ -210,7 +212,7 @@ export default function Compare() {
         </Card>
 
         <Button variant="outline" asChild>
-          <Link to="/tools">Back to browse</Link>
+          <Link to="/tools">{t("compare.backToBrowse")}</Link>
         </Button>
       </div>
     </Layout>
diff --git a/artifacts/toolrate/src/pages/home.tsx b/artifacts/toolrate/src/pages/home.tsx
index 731cb87..a915849 100644
--- a/artifacts/toolrate/src/pages/home.tsx
+++ b/artifacts/toolrate/src/pages/home.tsx
@@ -11,8 +11,10 @@ import { ToolCard } from "@/components/tool-card";
 import { Star, Wrench, MessageSquare, ArrowRight } from "lucide-react";
 import { Link } from "wouter";
 import { Button } from "@/components/ui/button";
+import { useTranslation } from "react-i18next";
 
 export default function Home() {
+  const { t } = useTranslation();
   const { data: summary, isLoading: loadingSummary } = useGetAnalyticsSummary();
   const { data: topTools, isLoading: loadingTopTools } = useGetTopTools({ limit: 4, metric: GetTopToolsMetric.combined });
   const { data: recentTools, isLoading: loadingRecent } = useListTools({ sort: "newest" });
@@ -21,8 +23,8 @@ export default function Home() {
     <Layout>
       <div className="space-y-8 pb-8">
         <div>
-          <h1 className="text-3xl font-bold tracking-tight mb-2">Welcome to toolr</h1>
-          <p className="text-muted-foreground">The community hub where engineers honestly rate the tools they use daily.</p>
+          <h1 className="text-3xl font-bold tracking-tight mb-2">{t("home.welcome")}</h1>
+          <p className="text-muted-foreground">{t("home.tagline")}</p>
         </div>
 
         {/* Stats Banner */}
@@ -33,7 +35,7 @@ export default function Home() {
                 <Wrench className="w-6 h-6" />
               </div>
               <div>
-                <p className="text-sm font-medium text-muted-foreground mb-1">Total Tools</p>
+                <p className="text-sm font-medium text-muted-foreground mb-1">{t("home.totalTools")}</p>
                 {loadingSummary ? (
                   <Skeleton className="h-8 w-16" />
                 ) : (
@@ -49,7 +51,7 @@ export default function Home() {
                 <MessageSquare className="w-6 h-6" />
               </div>
               <div>
-                <p className="text-sm font-medium text-muted-foreground mb-1">Total Ratings</p>
+                <p className="text-sm font-medium text-muted-foreground mb-1">{t("home.totalRatings")}</p>
                 {loadingSummary ? (
                   <Skeleton className="h-8 w-16" />
                 ) : (
@@ -65,7 +67,7 @@ export default function Home() {
                 <Star className="w-6 h-6" />
               </div>
               <div>
-                <p className="text-sm font-medium text-muted-foreground mb-1">Avg Rating</p>
+                <p className="text-sm font-medium text-muted-foreground mb-1">{t("home.avgRating")}</p>
                 {loadingSummary ? (
                   <Skeleton className="h-8 w-16" />
                 ) : (
@@ -80,12 +82,12 @@ export default function Home() {
         <section>
           <div className="flex justify-between items-end mb-4">
             <div>
-              <h2 className="text-2xl font-bold tracking-tight mb-1">Top Rated Tools</h2>
-              <p className="text-muted-foreground text-sm">Highest combined usefulness and usability.</p>
+              <h2 className="text-2xl font-bold tracking-tight mb-1">{t("home.topRated")}</h2>
+              <p className="text-muted-foreground text-sm">{t("home.topRatedSub")}</p>
             </div>
             <Button variant="ghost" className="text-primary hidden sm:flex" asChild>
               <Link href="/tools?sort=top_rated">
-                View all <ArrowRight className="w-4 h-4 ml-2" />
+                {t("common.viewAll")} <ArrowRight className="w-4 h-4 ml-2" />
               </Link>
             </Button>
           </div>
@@ -106,10 +108,10 @@ export default function Home() {
             <Card className="bg-muted/30 border-dashed">
               <CardContent className="flex flex-col items-center justify-center p-12 text-center">
                 <Star className="w-12 h-12 text-muted-foreground/30 mb-4" />
-                <h3 className="text-lg font-medium">No ratings yet</h3>
-                <p className="text-muted-foreground max-w-sm mt-1 mb-4">Be the first to rate a tool and help the community.</p>
+                <h3 className="text-lg font-medium">{t("home.noRatingsYet")}</h3>
+                <p className="text-muted-foreground max-w-sm mt-1 mb-4">{t("home.noRatingsSub")}</p>
                 <Button asChild>
-                  <Link href="/tools">Browse Tools</Link>
+                  <Link href="/tools">{t("common.browseTools")}</Link>
                 </Button>
               </CardContent>
             </Card>
@@ -120,12 +122,12 @@ export default function Home() {
         <section>
           <div className="flex justify-between items-end mb-4">
             <div>
-              <h2 className="text-2xl font-bold tracking-tight mb-1">Recently Added</h2>
-              <p className="text-muted-foreground text-sm">The latest additions to the catalog.</p>
+              <h2 className="text-2xl font-bold tracking-tight mb-1">{t("home.recentlyAdded")}</h2>
+              <p className="text-muted-foreground text-sm">{t("home.recentlyAddedSub")}</p>
             </div>
             <Button variant="ghost" className="text-primary hidden sm:flex" asChild>
               <Link href="/tools?sort=newest">
-                View all <ArrowRight className="w-4 h-4 ml-2" />
+                {t("common.viewAll")} <ArrowRight className="w-4 h-4 ml-2" />
               </Link>
             </Button>
           </div>
@@ -146,10 +148,10 @@ export default function Home() {
             <Card className="bg-muted/30 border-dashed">
               <CardContent className="flex flex-col items-center justify-center p-12 text-center">
                 <Wrench className="w-12 h-12 text-muted-foreground/30 mb-4" />
-                <h3 className="text-lg font-medium">No tools found</h3>
-                <p className="text-muted-foreground max-w-sm mt-1 mb-4">There are no tools in the database yet.</p>
+                <h3 className="text-lg font-medium">{t("home.noTools")}</h3>
+                <p className="text-muted-foreground max-w-sm mt-1 mb-4">{t("home.noToolsSub")}</p>
                 <Button asChild>
-                  <Link href="/tools/new">Add a Tool</Link>
+                  <Link href="/tools/new">{t("browse.addTool")}</Link>
                 </Button>
               </CardContent>
             </Card>
diff --git a/artifacts/toolrate/src/pages/login.tsx b/artifacts/toolrate/src/pages/login.tsx
index 453274a..20ad8bc 100644
--- a/artifacts/toolrate/src/pages/login.tsx
+++ b/artifacts/toolrate/src/pages/login.tsx
@@ -8,8 +8,10 @@ import { Label } from "@/components/ui/label";
 import { Card, CardContent, CardHeader, CardTitle, CardDescription } from "@/components/ui/card";
 import { ThemeToggle } from "@/components/theme-toggle";
 import { Wrench, AlertCircle } from "lucide-react";
+import { useTranslation } from "react-i18next";
 
 export default function Login() {
+  const { t } = useTranslation();
   const [, setLocation] = useLocation();
   const search = useSearch();
   const params = new URLSearchParams(search);
@@ -33,7 +35,7 @@ export default function Login() {
           setLocation(returnTo);
         },
         onError: (err) => {
-          setError(err.data?.error || err.message || "Invalid username or password");
+          setError(err.data?.error || err.message || t("auth.invalidCredentials"));
         },
       },
     );
@@ -50,18 +52,18 @@ export default function Login() {
             <Wrench className="w-7 h-7" />
             <span>toolr</span>
           </Link>
-          <p className="text-muted-foreground text-sm">Sign in to your account</p>
+          <p className="text-muted-foreground text-sm">{t("auth.loginSubtitle")}</p>
         </div>
 
         <Card>
           <CardHeader className="pb-4">
-            <CardTitle className="text-lg">Sign in</CardTitle>
-            <CardDescription>Enter your credentials to continue</CardDescription>
+            <CardTitle className="text-lg">{t("auth.signIn")}</CardTitle>
+            <CardDescription>{t("auth.loginDescription")}</CardDescription>
           </CardHeader>
           <CardContent>
             <form onSubmit={handleSubmit} className="space-y-4">
               <div className="space-y-2">
-                <Label htmlFor="username">Username</Label>
+                <Label htmlFor="username">{t("auth.username")}</Label>
                 <Input
                   id="username"
                   type="text"
@@ -73,7 +75,7 @@ export default function Login() {
                 />
               </div>
               <div className="space-y-2">
-                <Label htmlFor="password">Password</Label>
+                <Label htmlFor="password">{t("auth.password")}</Label>
                 <Input
                   id="password"
                   type="password"
@@ -95,7 +97,7 @@ export default function Login() {
                 className="w-full"
                 disabled={localLogin.isPending}
               >
-                {localLogin.isPending ? "Signing in..." : "Sign in"}
+                {localLogin.isPending ? t("common.loading") : t("auth.signIn")}
               </Button>
             </form>
           </CardContent>
@@ -103,7 +105,7 @@ export default function Login() {
 
         <div className="text-center">
           <Link href="/" className="text-sm text-muted-foreground hover:text-primary transition-colors">
-            Back to Home
+            {t("notFound.backHome")}
           </Link>
         </div>
       </div>
diff --git a/artifacts/toolrate/src/pages/not-found.tsx b/artifacts/toolrate/src/pages/not-found.tsx
index c9cd90f..db3ec49 100644
--- a/artifacts/toolrate/src/pages/not-found.tsx
+++ b/artifacts/toolrate/src/pages/not-found.tsx
@@ -2,8 +2,10 @@ import { Card, CardContent } from "@/components/ui/card";
 import { Button } from "@/components/ui/button";
 import { Wrench, ArrowLeft } from "lucide-react";
 import { Link } from "wouter";
+import { useTranslation } from "react-i18next";
 
 export default function NotFound() {
+  const { t } = useTranslation();
   return (
     <div className="min-h-screen w-full flex items-center justify-center bg-background">
       <Card className="w-full max-w-md mx-4">
@@ -13,10 +15,10 @@ export default function NotFound() {
             <span>toolr</span>
           </Link>
           <h1 className="text-6xl font-bold text-muted-foreground/30 mb-2">404</h1>
-          <p className="text-muted-foreground mb-6">This page doesn't exist.</p>
+          <p className="text-muted-foreground mb-6">{t("notFound.text")}</p>
           <Link href="/">
             <Button variant="outline" className="gap-2">
-              <ArrowLeft className="w-4 h-4" /> Back to Home
+              <ArrowLeft className="w-4 h-4" /> {t("notFound.backHome")}
             </Button>
           </Link>
         </CardContent>
diff --git a/artifacts/toolrate/src/pages/tool-detail.tsx b/artifacts/toolrate/src/pages/tool-detail.tsx
index 8568a98..d766623 100644
--- a/artifacts/toolrate/src/pages/tool-detail.tsx
+++ b/artifacts/toolrate/src/pages/tool-detail.tsx
@@ -46,6 +46,7 @@ import { Link } from "wouter";
 import { useAuth } from "@/hooks/use-auth";
 import { useWatchlist } from "@/hooks/use-watchlist";
 import { cn } from "@/lib/utils";
+import { useTranslation } from "react-i18next";
 import { useDeleteTool, getListToolsQueryKey } from "@workspace/api-client-react";
 import {
   AlertDialog,
@@ -79,6 +80,7 @@ export default function ToolDetail() {
   const [deleteOpen, setDeleteOpen] = useState(false);
 
   const { user, isAdmin, hasFeature } = useAuth();
+  const { t } = useTranslation();
   const { isWatched, toggle: toggleWatchlist, canWatchlist } = useWatchlist();
   const canManageCosts = hasFeature("costs");
   const hasTrash = hasFeature("trash");
@@ -355,7 +357,7 @@ export default function ToolDetail() {
                   <span className="text-muted-foreground self-end mb-1">/ 5</span>
                 </div>
                 <div className="text-sm text-muted-foreground">
-                  Based on {tool.ratingCount} reviews
+                  {t("detail.basedOnReview", { count: tool.ratingCount })}
                 </div>
 
                 {canWatchlist && (
@@ -365,14 +367,14 @@ export default function ToolDetail() {
                     onClick={() => toggleWatchlist(Number(id))}
                   >
                     <Bookmark className={cn("w-4 h-4", isWatched(id) && "fill-current")} />
-                    {isWatched(id) ? "Saved to watchlist" : "Save to watchlist"}
+                    {isWatched(id) ? t("detail.savedToWatchlist") : t("detail.saveToWatchlist")}
                   </Button>
                 )}
 
                 {tool.websiteUrl && (
                   <Button asChild className="w-full mt-2" variant="outline">
                     <a href={tool.websiteUrl} target="_blank" rel="noopener noreferrer">
-                      Visit Website <ExternalLink className="w-4 h-4 ml-2" />
+                      {t("detail.visitWebsite")} <ExternalLink className="w-4 h-4 ml-2" />
                     </a>
                   </Button>
                 )}
@@ -381,7 +383,7 @@ export default function ToolDetail() {
                   <div className="flex gap-2 w-full mt-1">
                     <Button asChild variant="outline" size="sm" className="flex-1 gap-2">
                       <Link href={`/tools/${id}/edit`}>
-                        <Pencil className="w-3.5 h-3.5" /> Edit
+                        <Pencil className="w-3.5 h-3.5" /> {t("detail.edit")}
                       </Link>
                     </Button>
                     <Button
@@ -390,7 +392,7 @@ export default function ToolDetail() {
                       className="flex-1 gap-2 text-destructive hover:bg-destructive hover:text-destructive-foreground"
                       onClick={() => setDeleteOpen(true)}
                     >
-                      <Trash2 className="w-3.5 h-3.5" /> Delete
+                      <Trash2 className="w-3.5 h-3.5" /> {t("detail.delete")}
                     </Button>
                   </div>
                 )}
@@ -556,10 +558,10 @@ export default function ToolDetail() {
         {tool && (
           <div className="space-y-4 mt-8">
             <div className="flex items-center justify-between">
-              <h3 className="text-xl font-bold">Costs</h3>
+              <h3 className="text-xl font-bold">{t("detail.costs")}</h3>
               {canManageCosts && (
                 <Button variant="outline" size="sm" onClick={() => { resetCostForm(); setCostDialogOpen(true); }} className="gap-2">
-                  <Plus className="w-4 h-4" /> Add Cost
+                  <Plus className="w-4 h-4" /> {t("detail.addCost")}
                 </Button>
               )}
             </div>
@@ -607,7 +609,7 @@ export default function ToolDetail() {
         <Dialog open={costDialogOpen} onOpenChange={(o) => { if (!o) setCostDialogOpen(false); }}>
           <DialogContent>
             <DialogHeader>
-              <DialogTitle>{editCost ? "Edit Cost" : "Add Cost"}</DialogTitle>
+              <DialogTitle>{editCost ? t("detail.edit") + " " + t("detail.costs") : t("detail.addCost")}</DialogTitle>
               <DialogDescription>Manage license cost information for this tool.</DialogDescription>
             </DialogHeader>
             <div className="space-y-4 py-2">
@@ -674,19 +676,19 @@ export default function ToolDetail() {
             <div className="space-y-6">
               <Card>
                 <CardHeader>
-                  <CardTitle>Rating Breakdown</CardTitle>
+                  <CardTitle>{t("detail.ratingBreakdown")}</CardTitle>
                 </CardHeader>
                 <CardContent className="space-y-6">
                   <div>
                     <div className="flex justify-between items-center mb-2">
-                      <span className="font-medium">Usefulness</span>
+                      <span className="font-medium">{t("detail.usefulness")}</span>
                       <span className="font-bold">{tool.avgUsefulness ? tool.avgUsefulness.toFixed(1) : "0.0"}</span>
                     </div>
                     <Progress value={((tool.avgUsefulness || 0) / 5) * 100} className="h-2" />
                   </div>
                   <div>
                     <div className="flex justify-between items-center mb-2">
-                      <span className="font-medium">Usability</span>
+                      <span className="font-medium">{t("detail.usability")}</span>
                       <span className="font-bold">{tool.avgUsability ? tool.avgUsability.toFixed(1) : "0.0"}</span>
                     </div>
                     <Progress value={((tool.avgUsability || 0) / 5) * 100} className="h-2" />
@@ -696,7 +698,7 @@ export default function ToolDetail() {
 
               <Card>
                 <CardHeader>
-                  <CardTitle>Score Distribution</CardTitle>
+                  <CardTitle>{t("detail.scoreDistribution")}</CardTitle>
                 </CardHeader>
                 <CardContent>
                   {loadingDistribution ? (
@@ -718,7 +720,7 @@ export default function ToolDetail() {
 
               <Card>
                 <CardHeader>
-                  <CardTitle>Score Trend</CardTitle>
+                  <CardTitle>{t("detail.scoreTrend")}</CardTitle>
                 </CardHeader>
                 <CardContent>
                   {loadingRatingHistory ? (
@@ -739,7 +741,7 @@ export default function ToolDetail() {
                       </ResponsiveContainer>
                     </div>
                   ) : (
-                    <p className="text-sm text-muted-foreground">Not enough ratings yet to show a trend.</p>
+                    <p className="text-sm text-muted-foreground">{t("detail.notEnoughRatings")}</p>
                   )}
                 </CardContent>
               </Card>
@@ -748,16 +750,16 @@ export default function ToolDetail() {
             {/* Right Column: Reviews */}
             <div className="lg:col-span-2 space-y-6">
               <div className="flex justify-between items-center">
-                <h3 className="text-2xl font-bold">Reviews</h3>
+                <h3 className="text-2xl font-bold">{t("detail.reviews")}</h3>
                 {!isReviewFormOpen && user && (
-                  <Button onClick={() => setIsReviewFormOpen(true)}>Write a Review</Button>
+                  <Button onClick={() => setIsReviewFormOpen(true)}>{t("detail.addReview")}</Button>
                 )}
               </div>
 
               {isReviewFormOpen && (
                 <Card className="border-primary shadow-sm">
                   <CardHeader>
-                    <CardTitle>Write a Review</CardTitle>
+                    <CardTitle>{t("detail.addReview")}</CardTitle>
                     <CardDescription>Share your experience with {tool.name}</CardDescription>
                   </CardHeader>
                   <CardContent>
@@ -769,7 +771,7 @@ export default function ToolDetail() {
                             name="usefulness"
                             render={({ field }) => (
                               <FormItem>
-                                <FormLabel>Usefulness</FormLabel>
+                                <FormLabel>{t("detail.usefulness")}</FormLabel>
                                 <div className="py-2">
                                   <RatingStars 
                                     value={field.value} 
@@ -787,7 +789,7 @@ export default function ToolDetail() {
                             name="usability"
                             render={({ field }) => (
                               <FormItem>
-                                <FormLabel>Usability</FormLabel>
+                                <FormLabel>{t("detail.usability")}</FormLabel>
                                 <div className="py-2">
                                   <RatingStars 
                                     value={field.value} 
@@ -844,7 +846,7 @@ export default function ToolDetail() {
                             Cancel
                           </Button>
                           <Button type="submit" disabled={createRating.isPending}>
-                            {createRating.isPending ? "Submitting..." : "Submit Review"}
+                            {createRating.isPending ? t("common.loading") : t("detail.submit")}
                           </Button>
                         </div>
                       </form>
@@ -873,11 +875,11 @@ export default function ToolDetail() {
                         
                         <div className="flex gap-6 mb-4">
                           <div className="flex flex-col gap-1">
-                            <span className="text-xs text-muted-foreground uppercase tracking-wider font-semibold">Usefulness</span>
+                            <span className="text-xs text-muted-foreground uppercase tracking-wider font-semibold">{t("detail.usefulness")}</span>
                             <RatingStars value={rating.usefulness} size="sm" />
                           </div>
                           <div className="flex flex-col gap-1">
-                            <span className="text-xs text-muted-foreground uppercase tracking-wider font-semibold">Usability</span>
+                            <span className="text-xs text-muted-foreground uppercase tracking-wider font-semibold">{t("detail.usability")}</span>
                             <RatingStars value={rating.usability} size="sm" />
                           </div>
                         </div>
@@ -893,7 +895,7 @@ export default function ToolDetail() {
                 ) : (
                   <div className="text-center py-12 bg-muted/30 border border-dashed rounded-xl">
                     <Star className="w-12 h-12 text-muted-foreground/30 mx-auto mb-3" />
-                    <h4 className="text-lg font-medium">No reviews yet</h4>
+                    <h4 className="text-lg font-medium">{t("detail.noReviews")}</h4>
                     <p className="text-muted-foreground mt-1">Be the first to share your thoughts on this tool.</p>
                   </div>
                 )}
diff --git a/artifacts/toolrate/src/pages/tools-browse.tsx b/artifacts/toolrate/src/pages/tools-browse.tsx
index 0d1f4db..e8ad21a 100644
--- a/artifacts/toolrate/src/pages/tools-browse.tsx
+++ b/artifacts/toolrate/src/pages/tools-browse.tsx
@@ -19,6 +19,7 @@ import { useBrowsePreferences, isViewMode, isDensity } from "@/hooks/use-browse-
 import { useAuth } from "@/hooks/use-auth";
 import { useWatchlist } from "@/hooks/use-watchlist";
 import { CompareBar } from "@/components/compare-bar";
+import { useTranslation } from "react-i18next";
 import { Input } from "@/components/ui/input";
 import { Button } from "@/components/ui/button";
 import { Badge } from "@/components/ui/badge";
@@ -30,13 +31,13 @@ import { cn } from "@/lib/utils";
 
 const SORT_VALUES = new Set<string>(Object.values(ListToolsSort));
 
-const SORT_LABELS: Record<string, string> = {
-  [ListToolsSort.newest]: "Newest",
-  [ListToolsSort.top_rated]: "Top Rated",
-  [ListToolsSort.most_reviewed]: "Most Reviewed",
-  [ListToolsSort.name_asc]: "Name (A–Z)",
-  [ListToolsSort.name_desc]: "Name (Z–A)",
-  [ListToolsSort.recently_updated]: "Recently Updated",
+const SORT_KEYS: Record<string, string> = {
+  [ListToolsSort.newest]: "browse.sortNewest",
+  [ListToolsSort.top_rated]: "browse.sortTopRated",
+  [ListToolsSort.most_reviewed]: "browse.sortMostReviewed",
+  [ListToolsSort.name_asc]: "browse.sortNameAsc",
+  [ListToolsSort.name_desc]: "browse.sortNameDesc",
+  [ListToolsSort.recently_updated]: "browse.sortRecentlyUpdated",
 };
 
 function SortHeader({
@@ -77,6 +78,7 @@ function SortHeader({
 export default function ToolsBrowse() {
   const [, navigate] = useLocation();
   const urlSearch = useSearch();
+  const { t } = useTranslation();
 
   const initialParams = useMemo(() => new URLSearchParams(urlSearch), [urlSearch]);
   const initialSearch = initialParams.get("search") ?? "";
@@ -228,11 +230,11 @@ export default function ToolsBrowse() {
       <div className="space-y-6 pb-8">
         <div className="flex flex-col sm:flex-row justify-between items-start sm:items-end gap-4">
           <div>
-            <h1 className="text-3xl font-bold tracking-tight mb-2">Browse Tools</h1>
-            <p className="text-muted-foreground">Discover and evaluate the best tools for your stack.</p>
+            <h1 className="text-3xl font-bold tracking-tight mb-2">{t("nav.browseTools")}</h1>
+            <p className="text-muted-foreground">{t("browse.subtitle")}</p>
           </div>
           <Button asChild>
-            <Link href="/tools/new">Add a Tool</Link>
+            <Link href="/tools/new">{t("browse.addTool")}</Link>
           </Button>
         </div>
 
@@ -242,7 +244,7 @@ export default function ToolsBrowse() {
             <Search className="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-muted-foreground" />
             <Input
               ref={searchInputRef}
-              placeholder='Search tools… (press "/" to focus)'
+              placeholder={`${t("common.search")}… (press "/" to focus)`}
               className="pl-9 w-full"
               value={searchInput}
               onChange={(e) => setSearchInput(e.target.value)}
@@ -256,7 +258,7 @@ export default function ToolsBrowse() {
                 <SelectValue placeholder="All Categories" />
               </SelectTrigger>
               <SelectContent>
-                <SelectItem value="all">All Categories</SelectItem>
+                <SelectItem value="all">{t("browse.allCategories")}</SelectItem>
                 {!loadingCategories &&
                   categories?.map((c) => (
                     <SelectItem key={c} value={c}>
@@ -273,7 +275,7 @@ export default function ToolsBrowse() {
               <SelectContent>
                 {Object.values(ListToolsSort).map((v) => (
                   <SelectItem key={v} value={v}>
-                    {SORT_LABELS[v]}
+                    {t(SORT_KEYS[v])}
                   </SelectItem>
                 ))}
               </SelectContent>
@@ -329,7 +331,7 @@ export default function ToolsBrowse() {
             )}
             {sort !== ListToolsSort.newest && (
               <Badge variant="secondary" className="gap-1 pl-2.5 pr-1.5 py-1">
-                {SORT_LABELS[sort]}
+                {t(SORT_KEYS[sort])}
                 <button
                   onClick={() => setSort(ListToolsSort.newest)}
                   className="rounded-sm hover:bg-muted p-0.5"
@@ -385,7 +387,7 @@ export default function ToolsBrowse() {
         <div className="flex flex-wrap items-center justify-between gap-3">
           <div className="flex items-center text-sm text-muted-foreground">
             <SlidersHorizontal className="w-4 h-4 mr-2" />
-            {loadingTools ? "Loading tools…" : `Showing ${allTools.length} tool${allTools.length === 1 ? "" : "s"}`}
+            {loadingTools ? t("common.loading") : t("browse.showingTool", { count: allTools.length })}
           </div>
           <div className="flex items-center gap-3">
             <DensityToggle value={density} onValueChange={setDensity} />
@@ -433,20 +435,20 @@ export default function ToolsBrowse() {
               <div className={cn("grid items-center gap-3 border-b bg-muted sticky top-0 z-10 px-4", TABLE_GRID)}>
                 <div className="py-2.5">
                   <SortHeader active={sortActive(ListToolsSort.name_asc) || sortActive(ListToolsSort.name_desc)} direction={nameDir} onClick={toggleNameSort}>
-                    Tool
+                    {t("browse.tool")}
                   </SortHeader>
                 </div>
                 <div className="py-2.5 text-xs font-semibold uppercase tracking-wide text-muted-foreground">
-                  Category
+                  {t("browse.category")}
                 </div>
                 <div className="py-2.5">
                   <SortHeader active={sortActive(ListToolsSort.top_rated)} onClick={() => setSort(ListToolsSort.top_rated)} align="right">
-                    Rating
+                    {t("browse.rating")}
                   </SortHeader>
                 </div>
                 <div className="py-2.5">
                   <SortHeader active={sortActive(ListToolsSort.most_reviewed)} onClick={() => setSort(ListToolsSort.most_reviewed)} align="right">
-                    Reviews
+                    {t("browse.reviews")}
                   </SortHeader>
                 </div>
               </div>
@@ -486,19 +488,18 @@ export default function ToolsBrowse() {
             <div className="bg-muted p-4 rounded-full mb-4">
               <Wrench className="w-8 h-8 text-muted-foreground" />
             </div>
-            <h3 className="text-xl font-medium mb-2">No tools found</h3>
+            <h3 className="text-xl font-medium mb-2">{t("browse.noToolsFound")}</h3>
             <p className="text-muted-foreground max-w-md mx-auto mb-6">
-              We couldn't find any tools matching your current filters. Try adjusting your search criteria or add a
-              new tool.
+              {t("browse.noToolsMatch")}
             </p>
             <div className="flex gap-4">
               {hasFilters && (
                 <Button variant="outline" onClick={clearFilters}>
-                  Clear Filters
+                  {t("filter.clearFilters")}
                 </Button>
               )}
               <Button asChild>
-                <Link href="/tools/new">Add Tool</Link>
+                <Link href="/tools/new">{t("browse.addTool")}</Link>
               </Button>
             </div>
           </div>
diff --git a/artifacts/toolrate/src/pages/trash.tsx b/artifacts/toolrate/src/pages/trash.tsx
index 150f4bb..3cb887b 100644
--- a/artifacts/toolrate/src/pages/trash.tsx
+++ b/artifacts/toolrate/src/pages/trash.tsx
@@ -27,8 +27,10 @@ import { useToast } from "@/hooks/use-toast";
 import { AlertDialog, AlertDialogAction, AlertDialogCancel, AlertDialogContent, AlertDialogDescription, AlertDialogFooter, AlertDialogHeader, AlertDialogTitle } from "@/components/ui/alert-dialog";
 import { Trash2, RotateCcw, Search, ShieldAlert, Trash as TrashIcon, RefreshCcw } from "lucide-react";
 import { format } from "date-fns";
+import { useTranslation } from "react-i18next";
 
 export default function Trash() {
+  const { t } = useTranslation();
   const { user, isAdmin, hasFeature, isLoading: authLoading } = useAuth();
   const { toast } = useToast();
   const queryClient = useQueryClient();
@@ -139,10 +141,10 @@ export default function Trash() {
       <Layout>
         <div className="flex flex-col items-center justify-center py-20 gap-4">
           <ShieldAlert className="w-12 h-12 text-muted-foreground" />
-          <h2 className="text-2xl font-bold">Trash requires a higher tier</h2>
-          <p className="text-muted-foreground">The trash is available to Premium and Enterprise users.</p>
+          <h2 className="text-2xl font-bold">{t("trash.requiresPremium")}</h2>
+          <p className="text-muted-foreground">{t("trash.requiresPremiumSub")}</p>
           <Button variant="outline" asChild>
-            <a href="/tools">Back to tools</a>
+            <a href="/tools">{t("common.backToTools")}</a>
           </Button>
         </div>
       </Layout>
@@ -155,16 +157,16 @@ export default function Trash() {
     <Layout>
       <div className="space-y-6 pb-10">
         <div>
-          <h1 className="text-3xl font-bold tracking-tight mb-2">Trash</h1>
-          <p className="text-muted-foreground">Deleted tools are kept here until they are restored or permanently removed.</p>
+          <h1 className="text-3xl font-bold tracking-tight mb-2">{t("trash.title")}</h1>
+          <p className="text-muted-foreground">{t("trash.subtitle")}</p>
         </div>
 
         <Card>
           <CardHeader className="flex flex-row items-center justify-between gap-4 flex-wrap">
             <div className="space-y-1.5">
-              <CardTitle>Trashed Tools</CardTitle>
+              <CardTitle>{t("trash.trashedTools")}</CardTitle>
               <CardDescription>
-                {selectedIds.length > 0 ? `${selectedIds.length} selected` : `${trashed.length} tool(s) in trash`}
+                {selectedIds.length > 0 ? t("trash.selected", { count: selectedIds.length }) : t("trash.toolsInTrash", { count: trashed.length })}
               </CardDescription>
             </div>
             <div className="flex items-center gap-2 flex-wrap">
@@ -172,7 +174,7 @@ export default function Trash() {
                 <Search className="w-4 h-4 absolute left-2.5 top-1/2 -translate-y-1/2 text-muted-foreground" />
                 <Input
                   className="pl-8 w-56"
-                  placeholder="Search trash…"
+                  placeholder={`${t("common.search")}…`}
                   value={searchInput}
                   onChange={(e) => setSearchInput(e.target.value)}
                 />
@@ -183,7 +185,7 @@ export default function Trash() {
                 disabled={selectedIds.length === 0 || restore.isPending}
                 onClick={() => handleRestore(selectedIds)}
               >
-                <RotateCcw className="w-4 h-4 mr-2" /> Restore ({selectedIds.length})
+                <RotateCcw className="w-4 h-4 mr-2" /> {t("trash.restore")} ({selectedIds.length})
               </Button>
               {isAdmin && (
                 <>
@@ -193,7 +195,7 @@ export default function Trash() {
                     disabled={selectedIds.length === 0 || deletePermanent.isPending}
                     onClick={() => setConfirmDelete(true)}
                   >
-                    <TrashIcon className="w-4 h-4 mr-2" /> Delete permanently ({selectedIds.length})
+                    <TrashIcon className="w-4 h-4 mr-2" /> {t("trash.deletePermanently")} ({selectedIds.length})
                   </Button>
                   <Button
                     size="sm"
@@ -201,7 +203,7 @@ export default function Trash() {
                     disabled={trashed.length === 0 || empty.isPending}
                     onClick={() => setConfirmEmpty(true)}
                   >
-                    <Trash2 className="w-4 h-4 mr-2" /> Empty trash
+                    <Trash2 className="w-4 h-4 mr-2" /> {t("trash.emptyTrash")}
                   </Button>
                 </>
               )}
@@ -215,7 +217,7 @@ export default function Trash() {
             ) : trashed.length === 0 ? (
               <div className="text-sm text-muted-foreground py-8 text-center flex flex-col items-center gap-2">
                 <RefreshCcw className="w-6 h-6 text-muted-foreground/50" />
-                {search ? "No tools match your search." : "The trash is empty."}
+                {search ? t("trash.noMatch") : t("trash.empty")}
               </div>
             ) : (
               <Table>
@@ -230,8 +232,8 @@ export default function Trash() {
                     </TableHead>
                     <TableHead>Name</TableHead>
                     <TableHead>Category</TableHead>
-                    <TableHead>Deleted at</TableHead>
-                    <TableHead>Deleted by</TableHead>
+                    <TableHead>{t("trash.deletedAt")}</TableHead>
+                    <TableHead>{t("trash.deletedBy")}</TableHead>
                     <TableHead className="text-right">Actions</TableHead>
                   </TableRow>
                 </TableHeader>
@@ -294,7 +296,7 @@ export default function Trash() {
               className="bg-destructive text-destructive-foreground hover:bg-destructive/90"
               onClick={() => handleDeletePermanent(selectedIds)}
             >
-              Delete permanently
+              {t("trash.deletePermanently")}
             </AlertDialogAction>
           </AlertDialogFooter>
         </AlertDialogContent>
@@ -314,7 +316,7 @@ export default function Trash() {
               className="bg-destructive text-destructive-foreground hover:bg-destructive/90"
               onClick={handleEmpty}
             >
-              Empty trash
+              {t("trash.emptyTrash")}
             </AlertDialogAction>
           </AlertDialogFooter>
         </AlertDialogContent>
diff --git a/artifacts/toolrate/src/pages/watchlist.tsx b/artifacts/toolrate/src/pages/watchlist.tsx
index 3931242..475e947 100644
--- a/artifacts/toolrate/src/pages/watchlist.tsx
+++ b/artifacts/toolrate/src/pages/watchlist.tsx
@@ -9,8 +9,10 @@ import { ToolCard } from "@/components/tool-card";
 import { Button } from "@/components/ui/button";
 import { Skeleton } from "@/components/ui/skeleton";
 import { ShieldAlert, Bookmark } from "lucide-react";
+import { useTranslation } from "react-i18next";
 
 export default function Watchlist() {
+  const { t } = useTranslation();
   const { hasFeature, isLoading: authLoading } = useAuth();
   const { toggle } = useWatchlist();
   const canWatchlist = hasFeature("watchlist");
@@ -24,10 +26,10 @@ export default function Watchlist() {
       <Layout>
         <div className="flex flex-col items-center justify-center py-20 gap-4">
           <ShieldAlert className="w-12 h-12 text-muted-foreground" />
-          <h2 className="text-2xl font-bold">Watchlist requires a higher tier</h2>
-          <p className="text-muted-foreground">Saving tools to your watchlist is available to Premium and Enterprise users.</p>
+          <h2 className="text-2xl font-bold">{t("watchlist.requiresPremium")}</h2>
+          <p className="text-muted-foreground">{t("watchlist.requiresPremiumSub")}</p>
           <Button variant="outline" asChild>
-            <a href="/tools">Back to tools</a>
+            <a href="/tools">{t("common.backToTools")}</a>
           </Button>
         </div>
       </Layout>
@@ -40,8 +42,8 @@ export default function Watchlist() {
     <Layout>
       <div className="space-y-6 pb-10">
         <div>
-          <h1 className="text-3xl font-bold tracking-tight mb-2">Watchlist</h1>
-          <p className="text-muted-foreground">Tools you saved for later, with live scores.</p>
+          <h1 className="text-3xl font-bold tracking-tight mb-2">{t("watchlist.title")}</h1>
+          <p className="text-muted-foreground">{t("watchlist.subtitle")}</p>
         </div>
 
         {loading ? (
@@ -51,9 +53,9 @@ export default function Watchlist() {
         ) : list.length === 0 ? (
           <div className="bg-muted/30 border border-dashed rounded-xl py-24 flex flex-col items-center justify-center text-center gap-3">
             <Bookmark className="w-8 h-8 text-muted-foreground" />
-            <h3 className="text-xl font-medium">Your watchlist is empty</h3>
+            <h3 className="text-xl font-medium">{t("watchlist.empty")}</h3>
             <p className="text-muted-foreground max-w-md mx-auto">
-              Browse tools and click the bookmark to save them here.
+              {t("watchlist.emptySub")}
             </p>
             <Button variant="outline" asChild>
               <a href="/tools">Browse tools</a>
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 53a009f..98396f2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -577,6 +577,9 @@ importers:
       framer-motion:
         specifier: 'catalog:'
         version: 12.38.0(react-dom@19.1.0(react@19.1.0))(react@19.1.0)
+      i18next:
+        specifier: ^26.3.6
+        version: 26.3.6(typescript@5.9.3)
       input-otp:
         specifier: ^1.4.2
         version: 1.4.2(react-dom@19.1.0(react@19.1.0))(react@19.1.0)
@@ -598,6 +601,9 @@ importers:
       react-hook-form:
         specifier: ^7.55.0
         version: 7.75.0(react@19.1.0)
+      react-i18next:
+        specifier: ^17.0.11
+        version: 17.0.11(i18next@26.3.6(typescript@5.9.3))(react-dom@19.1.0(react@19.1.0))(react@19.1.0)(typescript@5.9.3)
       react-icons:
         specifier: ^5.4.0
         version: 5.6.0(react@19.1.0)
@@ -2383,6 +2389,9 @@ packages:
   help-me@5.0.0:
     resolution: {integrity: sha512-7xgomUX6ADmcYzFik0HzAxh/73YlKR9bmFzf51CZwR+b6YtzU2m0u49hQCqV6SvlqIqsaxovfwdvbnsw3b/zpg==}
 
+  html-parse-stringify@4.0.1:
+    resolution: {integrity: sha512-0zHsZJrK7S3K2aucXWL6ycoYJ/iNtIcFHC/nYQgFklPtrv5LpJctIiSCroWZWeuoXvuyFdzp6KzjJQ+OT5MfFw==}
+
   http-errors@2.0.1:
     resolution: {integrity: sha512-4FbRdAX+bSdmo4AUFuS0WNiPz8NgFt+r8ThgNWmlrjQjt1Q7ZR9+zTlce2859x4KSXrwIsaeTqDoKQmtP8pLmQ==}
     engines: {node: '>= 0.8'}
@@ -2391,6 +2400,14 @@ packages:
     resolution: {integrity: sha512-eKCa6bwnJhvxj14kZk5NCPc6Hb6BdsU9DZcOnmQKSnO1VKrfV0zCvtttPZUsBvjmNDn8rpcJfpwSYnHBjc95MQ==}
     engines: {node: '>=18.18.0'}
 
+  i18next@26.3.6:
+    resolution: {integrity: sha512-Bu5Z2nAXgfVyM8xvW3jk9EKRIuX37PudsrBViThNFx7CR7aaYTpP01cxNB/E4c4UUzTDiAZRstEhsRfPOL/8xA==}
+    peerDependencies:
+      typescript: ^5 || ^6 || ^7
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
   iconv-lite@0.7.2:
     resolution: {integrity: sha512-im9DjEDQ55s9fL4EYzOAv0yMqmMBSZp6G0VvFyTMPKWxiSBHUj9NW/qqLmXUwXrrM7AvqSlTCfvqRb0cM8yYqw==}
     engines: {node: '>=0.10.0'}
@@ -2851,6 +2868,22 @@ packages:
     peerDependencies:
       react: ^16.8.0 || ^17 || ^18 || ^19
 
+  react-i18next@17.0.11:
+    resolution: {integrity: sha512-cDtkXgxjuFTWUH6V+aQn1Ve5vDiUztCNPWW5GtSHDccsgRXO1nE6QFWCEmc1KAutrb3OUv87wFShJL5RhUwPXg==}
+    peerDependencies:
+      i18next: '>= 26.2.0'
+      react: '>= 16.8.0'
+      react-dom: '*'
+      react-native: '*'
+      typescript: ^5 || ^6 || ^7
+    peerDependenciesMeta:
+      react-dom:
+        optional: true
+      react-native:
+        optional: true
+      typescript:
+        optional: true
+
   react-icons@5.6.0:
     resolution: {integrity: sha512-RH93p5ki6LfOiIt0UtDyNg/cee+HLVR6cHHtW3wALfo+eOHTp8RnU2kRkI6E+H19zMIs03DyxUG/GfZMOGvmiA==}
     peerDependencies:
@@ -5080,6 +5113,8 @@ snapshots:
 
   help-me@5.0.0: {}
 
+  html-parse-stringify@4.0.1: {}
+
   http-errors@2.0.1:
     dependencies:
       depd: 2.0.0
@@ -5090,6 +5125,10 @@ snapshots:
 
   human-signals@8.0.1: {}
 
+  i18next@26.3.6(typescript@5.9.3):
+    optionalDependencies:
+      typescript: 5.9.3
+
   iconv-lite@0.7.2:
     dependencies:
       safer-buffer: 2.1.2
@@ -5521,6 +5560,17 @@ snapshots:
     dependencies:
       react: 19.1.0
 
+  react-i18next@17.0.11(i18next@26.3.6(typescript@5.9.3))(react-dom@19.1.0(react@19.1.0))(react@19.1.0)(typescript@5.9.3):
+    dependencies:
+      '@babel/runtime': 7.29.2
+      html-parse-stringify: 4.0.1
+      i18next: 26.3.6(typescript@5.9.3)
+      react: 19.1.0
+      use-sync-external-store: 1.6.0(react@19.1.0)
+    optionalDependencies:
+      react-dom: 19.1.0(react@19.1.0)
+      typescript: 5.9.3
+
   react-icons@5.6.0(react@19.1.0):
     dependencies:
       react: 19.1.0