diff --git a/app/src/components/VoicesTab/VoiceInspector.tsx b/app/src/components/VoicesTab/VoiceInspector.tsx
index 062726be..b479a6c5 100644
--- a/app/src/components/VoicesTab/VoiceInspector.tsx
+++ b/app/src/components/VoicesTab/VoiceInspector.tsx
@@ -2,6 +2,7 @@ import { zodResolver } from '@hookform/resolvers/zod';
 import { Edit2, Mic, X } from 'lucide-react';
 import { useEffect, useRef, useState } from 'react';
 import { useForm } from 'react-hook-form';
+import { useTranslation } from 'react-i18next';
 import * as z from 'zod';
 import { EffectsChainEditor } from '@/components/Effects/EffectsChainEditor';
 import { Button } from '@/components/ui/button';
@@ -38,19 +39,26 @@ import { cn } from '@/lib/utils/cn';
 import { usePlayerStore } from '@/stores/playerStore';
 import { useServerStore } from '@/stores/serverStore';
 
-const profileSchema = z.object({
-  name: z.string().min(1, 'Name is required').max(100),
-  description: z.string().max(500).optional(),
-  language: z.enum(LANGUAGE_CODES as [LanguageCode, ...LanguageCode[]]),
-});
+function makeProfileSchema(t: (key: string) => string) {
+  return z.object({
+    name: z.string().min(1, t('profileForm.validation.nameRequired')).max(100),
+    description: z.string().max(500).optional(),
+    language: z.enum(LANGUAGE_CODES as [LanguageCode, ...LanguageCode[]]),
+  });
+}
 
-type ProfileFormValues = z.infer<typeof profileSchema>;
+type ProfileFormValues = {
+  name: string;
+  description?: string;
+  language: LanguageCode;
+};
 
 interface VoiceInspectorProps {
   profileId: string;
 }
 
 export function VoiceInspector({ profileId }: VoiceInspectorProps) {
+  const { t } = useTranslation();
   const { data: profile } = useProfile(profileId);
   const audioUrl = usePlayerStore((state) => state.audioUrl);
   const isPlayerVisible = !!audioUrl;
@@ -68,7 +76,7 @@ export function VoiceInspector({ profileId }: VoiceInspectorProps) {
   const [effectsDirty, setEffectsDirty] = useState(false);
 
   const form = useForm<ProfileFormValues>({
-    resolver: zodResolver(profileSchema),
+    resolver: zodResolver(makeProfileSchema(t)),
     defaultValues: {
       name: '',
       description: '',
@@ -104,32 +112,31 @@ export function VoiceInspector({ profileId }: VoiceInspectorProps) {
     if (!file) return;
     if (!file.type.startsWith('image/')) {
       toast({
-        title: 'Invalid file type',
-        description: 'Please select PNG, JPG, or WebP',
+        title: t('profileForm.toast.invalidFile'),
+        description: t('voiceInspector.toast.invalidImageFormat'),
         variant: 'destructive',
       });
       return;
     }
     if (file.size > 5 * 1024 * 1024) {
       toast({
-        title: 'File too large',
-        description: 'Image must be less than 5MB',
+        title: t('profileForm.toast.fileTooLarge'),
+        description: t('profileForm.toast.imageTooLargeDescription'),
         variant: 'destructive',
       });
       return;
     }
-    // Upload immediately
     uploadAvatar.mutate(
       { profileId, file },
       {
         onSuccess: () => {
           setAvatarPreview(URL.createObjectURL(file));
-          toast({ title: 'Avatar updated' });
+          toast({ title: t('voiceInspector.toast.avatarUpdated') });
         },
         onError: (err) => {
           toast({
-            title: 'Avatar upload failed',
-            description: err instanceof Error ? err.message : 'Unknown error',
+            title: t('profileForm.toast.avatarUploadFailed'),
+            description: err instanceof Error ? err.message : t('common.unknownError'),
             variant: 'destructive',
           });
         },
@@ -141,11 +148,11 @@ export function VoiceInspector({ profileId }: VoiceInspectorProps) {
     if (profile?.avatar_path) {
       try {
         await deleteAvatar.mutateAsync(profileId);
-        toast({ title: 'Avatar removed' });
+        toast({ title: t('profileForm.toast.avatarRemoved') });
       } catch (err) {
         toast({
-          title: 'Failed to remove avatar',
-          description: err instanceof Error ? err.message : 'Unknown error',
+          title: t('profileForm.toast.avatarRemoveFailed'),
+          description: err instanceof Error ? err.message : t('common.unknownError'),
           variant: 'destructive',
         });
       }
@@ -174,19 +181,25 @@ export function VoiceInspector({ profileId }: VoiceInspectorProps) {
           setEffectsDirty(false);
         } catch (fxError) {
           toast({
-            title: 'Effects update failed',
-            description: fxError instanceof Error ? fxError.message : 'Failed to save effects',
+            title: t('profileForm.toast.effectsUpdateFailed'),
+            description:
+              fxError instanceof Error
+                ? fxError.message
+                : t('profileForm.toast.effectsUpdateFailedFallback'),
             variant: 'destructive',
           });
           return;
         }
       }
 
-      toast({ title: 'Voice updated', description: `"${data.name}" saved.` });
+      toast({
+        title: t('profileForm.toast.voiceUpdated'),
+        description: t('voiceInspector.toast.savedDescription', { name: data.name }),
+      });
     } catch (error) {
       toast({
-        title: 'Error',
-        description: error instanceof Error ? error.message : 'Failed to save profile',
+        title: t('common.error'),
+        description: error instanceof Error ? error.message : t('profileForm.toast.saveFailed'),
         variant: 'destructive',
       });
     }
@@ -195,7 +208,7 @@ export function VoiceInspector({ profileId }: VoiceInspectorProps) {
   if (!profile) {
     return (
       <div className="flex items-center justify-center h-full text-muted-foreground text-sm">
-        Loading...
+        {t('voiceInspector.loading')}
       </div>
     );
   }
@@ -256,9 +269,9 @@ export function VoiceInspector({ profileId }: VoiceInspectorProps) {
                 name="name"
                 render={({ field }) => (
                   <FormItem>
-                    <FormLabel>Name</FormLabel>
+                    <FormLabel>{t('profileForm.fields.name')}</FormLabel>
                     <FormControl>
-                      <Input placeholder="My Voice" {...field} />
+                      <Input placeholder={t('profileForm.fields.namePlaceholder')} {...field} />
                     </FormControl>
                     <FormMessage />
                   </FormItem>
@@ -270,9 +283,13 @@ export function VoiceInspector({ profileId }: VoiceInspectorProps) {
                 name="description"
                 render={({ field }) => (
                   <FormItem>
-                    <FormLabel>Description</FormLabel>
+                    <FormLabel>{t('voiceInspector.fields.description')}</FormLabel>
                     <FormControl>
-                      <Textarea placeholder="Describe this voice..." rows={2} {...field} />
+                      <Textarea
+                        placeholder={t('profileForm.fields.descriptionPlaceholder')}
+                        rows={2}
+                        {...field}
+                      />
                     </FormControl>
                     <FormMessage />
                   </FormItem>
@@ -284,7 +301,7 @@ export function VoiceInspector({ profileId }: VoiceInspectorProps) {
                 name="language"
                 render={({ field }) => (
                   <FormItem>
-                    <FormLabel>Language</FormLabel>
+                    <FormLabel>{t('profileForm.fields.language')}</FormLabel>
                     <Select onValueChange={field.onChange} value={field.value}>
                       <FormControl>
                         <SelectTrigger>
@@ -306,9 +323,9 @@ export function VoiceInspector({ profileId }: VoiceInspectorProps) {
 
               {/* Effects */}
               <div className="space-y-2">
-                <FormLabel>Default Effects</FormLabel>
+                <FormLabel>{t('profileForm.fields.defaultEffects')}</FormLabel>
                 <p className="text-xs text-muted-foreground">
-                  Applied automatically to new generations with this voice.
+                  {t('voiceInspector.defaultEffectsHint')}
                 </p>
                 <EffectsChainEditor
                   value={effectsChain}
@@ -323,7 +340,9 @@ export function VoiceInspector({ profileId }: VoiceInspectorProps) {
               {/* Save */}
               {isDirty && (
                 <Button type="submit" className="w-full" disabled={updateProfile.isPending}>
-                  {updateProfile.isPending ? 'Saving...' : 'Save Changes'}
+                  {updateProfile.isPending
+                    ? t('profileForm.actions.saving')
+                    : t('profileForm.actions.saveChanges')}
                 </Button>
               )}
             </div>
diff --git a/app/src/components/VoicesTab/VoicesTab.tsx b/app/src/components/VoicesTab/VoicesTab.tsx
index 20921f63..6ab0b0b0 100644
--- a/app/src/components/VoicesTab/VoicesTab.tsx
+++ b/app/src/components/VoicesTab/VoicesTab.tsx
@@ -1,6 +1,7 @@
 import { useQuery, useQueryClient } from '@tanstack/react-query';
 import { Mic, Plus, Search, Sparkles } from 'lucide-react';
 import { useEffect, useMemo, useRef, useState } from 'react';
+import { useTranslation } from 'react-i18next';
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
 
@@ -25,6 +26,7 @@ import { useUIStore } from '@/stores/uiStore';
 import { VoiceInspector } from './VoiceInspector';
 
 export function VoicesTab() {
+  const { t } = useTranslation();
   const { data: profiles, isLoading } = useProfiles();
   const queryClient = useQueryClient();
   const setDialogOpen = useUIStore((state) => state.setProfileDialogOpen);
@@ -95,7 +97,7 @@ export function VoicesTab() {
   if (isLoading) {
     return (
       <div className="flex items-center justify-center h-full">
-        <div className="text-muted-foreground">Loading voices...</div>
+        <div className="text-muted-foreground">{t('voicesTab.loading')}</div>
       </div>
     );
   }
@@ -110,12 +112,12 @@ export function VoicesTab() {
         {/* Fixed Header */}
         <div className="absolute top-0 left-0 right-0 z-20 pl-8 pr-8">
           <div className="flex items-center gap-3 mb-6">
-            <h1 className="text-2xl font-bold">Voices</h1>
+            <h1 className="text-2xl font-bold">{t('voicesTab.title')}</h1>
             <div className="flex-1" />
             <div className="relative w-[240px]">
               <Search className="absolute left-2.5 top-1/2 -translate-y-1/2 h-3.5 w-3.5 text-muted-foreground" />
               <Input
-                placeholder="Search voices..."
+                placeholder={t('voicesTab.searchPlaceholder')}
                 value={search}
                 onChange={(e) => setSearch(e.target.value)}
                 className="h-10 pl-8 text-sm rounded-full focus-visible:ring-0 focus-visible:ring-offset-0"
@@ -123,7 +125,7 @@ export function VoicesTab() {
             </div>
             <Button onClick={() => setDialogOpen(true)}>
               <Plus className="h-4 w-4 mr-2" />
-              New Voice
+              {t('voicesTab.newVoice')}
             </Button>
           </div>
         </div>
@@ -139,12 +141,12 @@ export function VoicesTab() {
           <Table className="table-fixed [&_td:first-child]:pl-8 [&_th:first-child]:pl-8">
             <TableHeader>
               <TableRow>
-                <TableHead className="w-[30%]">Name</TableHead>
-                <TableHead className="w-[10%]">Language</TableHead>
-                <TableHead className="w-[10%]">Generations</TableHead>
-                <TableHead className="w-[8%]">Samples</TableHead>
-                <TableHead className="w-[8%]">Effects</TableHead>
-                <TableHead className="w-[24%]">Channels</TableHead>
+                <TableHead className="w-[30%]">{t('voicesTab.columns.name')}</TableHead>
+                <TableHead className="w-[10%]">{t('voicesTab.columns.language')}</TableHead>
+                <TableHead className="w-[10%]">{t('voicesTab.columns.generations')}</TableHead>
+                <TableHead className="w-[8%]">{t('voicesTab.columns.samples')}</TableHead>
+                <TableHead className="w-[8%]">{t('voicesTab.columns.effects')}</TableHead>
+                <TableHead className="w-[24%]">{t('voicesTab.columns.channels')}</TableHead>
                 <TableHead className="w-6"></TableHead>
               </TableRow>
             </TableHeader>
@@ -194,6 +196,7 @@ function VoiceRow({
   channels,
   onChannelChange,
 }: VoiceRowProps) {
+  const { t } = useTranslation();
   const serverUrl = useServerStore((state) => state.serverUrl);
   const [avatarError, setAvatarError] = useState(false);
   const avatarUrl = profile.avatar_path ? `${serverUrl}/profiles/${profile.id}/avatar` : null;
@@ -212,7 +215,7 @@ function VoiceRow({
             {avatarUrl && !avatarError ? (
               <img
                 src={avatarUrl}
-                alt={`${profile.name} avatar`}
+                alt={t('voicesTab.avatarAlt', { name: profile.name })}
                 className="h-full w-full object-cover"
                 onError={() => setAvatarError(true)}
               />
@@ -248,11 +251,11 @@ function VoiceRow({
         <MultiSelect
           options={channels.map((ch) => ({
             value: ch.id,
-            label: `${ch.name}${ch.is_default ? ' (Default)' : ''}`,
+            label: ch.is_default ? t('voicesTab.channelDefaultLabel', { name: ch.name }) : ch.name,
           }))}
           value={channelIds}
           onChange={onChannelChange}
-          placeholder="Select channels..."
+          placeholder={t('voicesTab.selectChannels')}
           className="w-full"
         />
       </TableCell>
diff --git a/app/src/i18n/locales/en/translation.json b/app/src/i18n/locales/en/translation.json
index 51b5bea0..9934e8eb 100644
--- a/app/src/i18n/locales/en/translation.json
+++ b/app/src/i18n/locales/en/translation.json
@@ -21,6 +21,35 @@
     "settings": "Settings",
     "updateBadge": "Update"
   },
+  "voicesTab": {
+    "title": "Voices",
+    "loading": "Loading voices…",
+    "searchPlaceholder": "Search voices…",
+    "newVoice": "New Voice",
+    "avatarAlt": "{{name}} avatar",
+    "selectChannels": "Select channels…",
+    "channelDefaultLabel": "{{name}} (Default)",
+    "columns": {
+      "name": "Name",
+      "language": "Language",
+      "generations": "Generations",
+      "samples": "Samples",
+      "effects": "Effects",
+      "channels": "Channels"
+    }
+  },
+  "voiceInspector": {
+    "loading": "Loading…",
+    "defaultEffectsHint": "Applied automatically to new generations with this voice.",
+    "fields": {
+      "description": "Description"
+    },
+    "toast": {
+      "invalidImageFormat": "Please select PNG, JPG, or WebP",
+      "avatarUpdated": "Avatar updated",
+      "savedDescription": "\"{{name}}\" saved."
+    }
+  },
   "audioChannels": {
     "title": "Audio Channels",
     "newChannel": "New Channel",
diff --git a/app/src/i18n/locales/zh-CN/translation.json b/app/src/i18n/locales/zh-CN/translation.json
index 28c97841..8ca5ba81 100644
--- a/app/src/i18n/locales/zh-CN/translation.json
+++ b/app/src/i18n/locales/zh-CN/translation.json
@@ -21,6 +21,35 @@
     "settings": "设置",
     "updateBadge": "更新"
   },
+  "voicesTab": {
+    "title": "声音",
+    "loading": "加载声音中…",
+    "searchPlaceholder": "搜索声音……",
+    "newVoice": "新建声音",
+    "avatarAlt": "{{name}} 的头像",
+    "selectChannels": "选择通道……",
+    "channelDefaultLabel": "{{name}}(默认)",
+    "columns": {
+      "name": "名称",
+      "language": "语言",
+      "generations": "生成次数",
+      "samples": "样本",
+      "effects": "效果",
+      "channels": "通道"
+    }
+  },
+  "voiceInspector": {
+    "loading": "加载中…",
+    "defaultEffectsHint": "自动应用于使用此声音的新生成。",
+    "fields": {
+      "description": "描述"
+    },
+    "toast": {
+      "invalidImageFormat": "请选择 PNG、JPG 或 WebP 格式",
+      "avatarUpdated": "头像已更新",
+      "savedDescription": "\"{{name}}\" 已保存。"
+    }
+  },
   "audioChannels": {
     "title": "音频通道",
     "newChannel": "新建通道",