diff --git a/components/batch/BatchActionBar.tsx b/components/batch/BatchActionBar.tsx
index a536dae..0fa9211 100644
--- a/components/batch/BatchActionBar.tsx
+++ b/components/batch/BatchActionBar.tsx
@@ -1,6 +1,7 @@
 import React from "react";
 import { View, Text, Pressable } from "react-native";
 import { Trash2, Edit3, X } from "lucide-react-native";
+import { useTranslation } from "react-i18next";
 import { cn } from "~/lib/utils";
 import { useThemeColors } from "~/lib/theme-colors";
 
@@ -26,6 +27,7 @@ export function BatchActionBar({
   onClearSelection,
   className,
 }: BatchActionBarProps) {
+  const { t } = useTranslation();
   const { accent } = useThemeColors();
   if (selectedCount === 0) return null;
 
@@ -52,7 +54,7 @@ export function BatchActionBar({
             className="flex-row items-center rounded-lg bg-primary/10 px-3 py-2"
           >
             <Edit3 size={14} color={accent} />
-            <Text className="ml-1.5 text-xs font-semibold text-primary">Edit</Text>
+            <Text className="ml-1.5 text-xs font-semibold text-primary">{t("common.edit")}</Text>
           </Pressable>
         )}
         {onBatchDelete && (
@@ -61,7 +63,7 @@ export function BatchActionBar({
             className="flex-row items-center rounded-lg bg-destructive/10 px-3 py-2"
           >
             <Trash2 size={14} color="#ef4444" />
-            <Text className="ml-1.5 text-xs font-semibold text-destructive">Delete</Text>
+            <Text className="ml-1.5 text-xs font-semibold text-destructive">{t("common.delete")}</Text>
           </Pressable>
         )}
       </View>
diff --git a/components/common/UndoSnackbar.tsx b/components/common/UndoSnackbar.tsx
index 0d2f982..7300dd4 100644
--- a/components/common/UndoSnackbar.tsx
+++ b/components/common/UndoSnackbar.tsx
@@ -1,5 +1,6 @@
 import React from "react";
 import { View, Text, TouchableOpacity } from "react-native";
+import { useTranslation } from "react-i18next";
 
 export interface UndoSnackbarProps {
   message: string;
@@ -16,6 +17,7 @@ export function UndoSnackbar({
   visible,
   testID = "undo-snackbar",
 }: UndoSnackbarProps) {
+  const { t } = useTranslation();
   const timerRef = React.useRef<ReturnType<typeof setTimeout> | null>(null);
   const [show, setShow] = React.useState(visible);
 
@@ -51,10 +53,10 @@ export function UndoSnackbar({
       <TouchableOpacity
         testID={`${testID}-undo`}
         onPress={onUndo}
-        accessibilityLabel="Undo"
+        accessibilityLabel={t("common.undo")}
         accessibilityRole="button"
       >
-        <Text className="ml-3 text-sm font-bold text-primary">Undo</Text>
+        <Text className="ml-3 text-sm font-bold text-primary">{t("common.undo")}</Text>
       </TouchableOpacity>
     </View>
   );
diff --git a/components/query/QueryBuilder.tsx b/components/query/QueryBuilder.tsx
index c8783c1..a010e8f 100644
--- a/components/query/QueryBuilder.tsx
+++ b/components/query/QueryBuilder.tsx
@@ -1,6 +1,7 @@
 import React, { useCallback } from "react";
 import { View, Text, Pressable, ScrollView } from "react-native";
 import { Plus, Trash2, ToggleLeft } from "lucide-react-native";
+import { useTranslation } from "react-i18next";
 import { cn } from "~/lib/utils";
 import { useThemeColors } from "~/lib/theme-colors";
 import type { FieldDefinition } from "~/components/renderers/types";
@@ -44,6 +45,7 @@ export function QueryBuilder({
   onClear,
   className,
 }: QueryBuilderProps) {
+  const { t } = useTranslation();
   const { accent } = useThemeColors();
   const handleAdd = useCallback(() => {
     const firstField = fields[0]?.name ?? "";
@@ -67,7 +69,7 @@ export function QueryBuilder({
         {root.filters.length > 0 && (
           <Pressable onPress={onClear} className="flex-row items-center rounded-lg px-2 py-1">
             <Trash2 size={14} color="#ef4444" />
-            <Text className="ml-1 text-xs text-destructive">Clear</Text>
+            <Text className="ml-1 text-xs text-destructive">{t("common.clear")}</Text>
           </Pressable>
         )}
       </View>
@@ -98,7 +100,7 @@ export function QueryBuilder({
         className="mt-3 flex-row items-center self-start rounded-lg border border-dashed border-border px-3 py-2"
       >
         <Plus size={14} color="#64748b" />
-        <Text className="ml-1.5 text-xs font-medium text-muted-foreground">Add filter</Text>
+        <Text className="ml-1.5 text-xs font-medium text-muted-foreground">{t("filter.addFilter")}</Text>
       </Pressable>
     </View>
   );
diff --git a/components/renderers/SwipeableRow.tsx b/components/renderers/SwipeableRow.tsx
index af787e4..7a047d3 100644
--- a/components/renderers/SwipeableRow.tsx
+++ b/components/renderers/SwipeableRow.tsx
@@ -1,6 +1,7 @@
 import React, { useRef } from "react";
 import { View, Text, Pressable, Animated } from "react-native";
 import { Swipeable } from "react-native-gesture-handler";
+import { useTranslation } from "react-i18next";
 import { Edit, Trash2 } from "lucide-react-native";
 
 /* ------------------------------------------------------------------ */
@@ -44,6 +45,7 @@ export function SwipeableRow({
   onEdit,
   onDelete,
 }: SwipeableRowProps) {
+  const { t } = useTranslation();
   const swipeableRef = useRef<Swipeable>(null);
 
   const hasActions = !!(onEdit || onDelete);
@@ -81,7 +83,7 @@ export function SwipeableRow({
             style={{ width: ACTION_WIDTH }}
           >
             <Edit size={20} color="#ffffff" />
-            <Text className="mt-1 text-xs font-medium text-white">Edit</Text>
+            <Text className="mt-1 text-xs font-medium text-white">{t("common.edit")}</Text>
           </Pressable>
         )}
 
@@ -97,7 +99,7 @@ export function SwipeableRow({
             style={{ width: ACTION_WIDTH }}
           >
             <Trash2 size={20} color="#ffffff" />
-            <Text className="mt-1 text-xs font-medium text-white">Delete</Text>
+            <Text className="mt-1 text-xs font-medium text-white">{t("common.delete")}</Text>
           </Pressable>
         )}
       </Animated.View>
diff --git a/components/renderers/fields/FileField.tsx b/components/renderers/fields/FileField.tsx
index 39a01c4..3469bd7 100644
--- a/components/renderers/fields/FileField.tsx
+++ b/components/renderers/fields/FileField.tsx
@@ -11,6 +11,7 @@ import {
 } from "lucide-react-native";
 import type { FieldDefinition } from "../types";
 import type { FileUploadResult } from "~/hooks/useFileUpload";
+import { useTranslation } from "react-i18next";
 import { useToast } from "~/components/ui/Toast";
 import { useThemeColors } from "~/lib/theme-colors";
 
@@ -81,6 +82,7 @@ export function FileField({
   onShare,
   error,
 }: FileFieldProps) {
+  const { t } = useTranslation();
   const [isUploading, setIsUploading] = useState(false);
   const { toastError } = useToast();
   const { accent } = useThemeColors();
@@ -96,12 +98,12 @@ export function FileField({
           onChange?.(result);
         }
       } catch {
-        toastError("Could not upload the file. Please try again.");
+        toastError(t("fields.uploadFailed"));
       } finally {
         setIsUploading(false);
       }
     },
-    [onChange, toastError],
+    [onChange, toastError, t],
   );
 
   /* ---- Read-only ---- */
@@ -116,7 +118,7 @@ export function FileField({
       <View className="flex-row items-center gap-2 rounded-lg border border-border bg-card px-3 py-2">
         <FileText size={16} color="#64748b" />
         <Text className="flex-1 text-sm text-foreground" numberOfLines={1}>
-          {fileInfo.name ?? fileInfo.id ?? "File"}
+          {fileInfo.name ?? fileInfo.id ?? t("fields.file")}
         </Text>
         {onDownload && fileInfo.id && (
           <Pressable onPress={() => onDownload(fileInfo.id!, fileInfo.name ?? "file")}>
@@ -140,7 +142,7 @@ export function FileField({
         <View className="flex-row items-center gap-2 rounded-lg border border-border bg-card px-3 py-2">
           <FileText size={16} color="#64748b" />
           <Text className="flex-1 text-sm text-foreground" numberOfLines={1}>
-            {fileInfo.name ?? "Attached file"}
+            {fileInfo.name ?? t("fields.attachedFile")}
           </Text>
           <Pressable onPress={() => onChange?.(null)}>
             <X size={16} color="#ef4444" />
@@ -152,7 +154,7 @@ export function FileField({
       {isUploading ? (
         <View className="items-center py-4">
           <ActivityIndicator size="small" color={accent} />
-          <Text className="mt-2 text-xs text-muted-foreground">Uploading…</Text>
+          <Text className="mt-2 text-xs text-muted-foreground">{t("fields.uploading")}</Text>
         </View>
       ) : (
         <View className="flex-row flex-wrap gap-2">
@@ -162,7 +164,7 @@ export function FileField({
               onPress={() => handleUpload(onPickImage)}
             >
               <ImageIcon size={14} color="#64748b" />
-              <Text className="text-xs font-medium text-foreground">Gallery</Text>
+              <Text className="text-xs font-medium text-foreground">{t("fields.gallery")}</Text>
             </Pressable>
           )}
           {(field.type === "image" || field.type === "file") && onCapturePhoto && (
@@ -171,7 +173,7 @@ export function FileField({
               onPress={() => handleUpload(onCapturePhoto)}
             >
               <Camera size={14} color="#64748b" />
-              <Text className="text-xs font-medium text-foreground">Camera</Text>
+              <Text className="text-xs font-medium text-foreground">{t("fields.camera")}</Text>
             </Pressable>
           )}
           {onPickDocument && (
@@ -180,7 +182,7 @@ export function FileField({
               onPress={() => handleUpload(onPickDocument)}
             >
               <Upload size={14} color="#64748b" />
-              <Text className="text-xs font-medium text-foreground">File</Text>
+              <Text className="text-xs font-medium text-foreground">{t("fields.file")}</Text>
             </Pressable>
           )}
         </View>
diff --git a/components/ui/DatePicker.tsx b/components/ui/DatePicker.tsx
index e949ba8..e6ed989 100644
--- a/components/ui/DatePicker.tsx
+++ b/components/ui/DatePicker.tsx
@@ -9,6 +9,7 @@ import {
   ChevronDown,
 } from "lucide-react-native";
 import * as Haptics from "expo-haptics";
+import { useTranslation } from "react-i18next";
 import { cn } from "~/lib/utils";
 import { formatDate, formatDateTime } from "~/lib/formatting";
 
@@ -96,6 +97,7 @@ export function DatePicker({
   className,
   error,
 }: DatePickerProps) {
+  const { t } = useTranslation();
   const [open, setOpen] = React.useState(false);
 
   const selected = React.useMemo(() => parseDateValue(value), [value]);
@@ -295,7 +297,7 @@ export function DatePicker({
                 }}
                 className="rounded-lg px-3 py-2 active:bg-accent"
               >
-                <Text className="text-sm font-medium text-muted-foreground">Clear</Text>
+                <Text className="text-sm font-medium text-muted-foreground">{t("common.clear")}</Text>
               </Pressable>
               <View className="flex-row gap-2">
                 <Pressable
@@ -314,11 +316,11 @@ export function DatePicker({
                   }}
                   className="rounded-lg px-3 py-2 active:bg-accent"
                 >
-                  <Text className="text-sm font-medium text-primary">Today</Text>
+                  <Text className="text-sm font-medium text-primary">{t("common.today")}</Text>
                 </Pressable>
                 {mode !== "date" && (
                   <Pressable onPress={confirm} className="rounded-lg bg-primary px-4 py-2">
-                    <Text className="text-sm font-semibold text-primary-foreground">Done</Text>
+                    <Text className="text-sm font-semibold text-primary-foreground">{t("common.done")}</Text>
                   </Pressable>
                 )}
               </View>
diff --git a/components/ui/MultiSelect.tsx b/components/ui/MultiSelect.tsx
index 054c5dc..2185afc 100644
--- a/components/ui/MultiSelect.tsx
+++ b/components/ui/MultiSelect.tsx
@@ -2,6 +2,7 @@ import React from "react";
 import { Modal, Pressable, ScrollView, Text, View } from "react-native";
 import { ChevronDown, Check, X } from "lucide-react-native";
 import * as Haptics from "expo-haptics";
+import { useTranslation } from "react-i18next";
 import { cn } from "~/lib/utils";
 import type { SelectOption } from "~/components/renderers/types";
 
@@ -31,6 +32,7 @@ export function MultiSelect({
   className,
   error,
 }: MultiSelectProps) {
+  const { t } = useTranslation();
   const [open, setOpen] = React.useState(false);
   const selectedSet = React.useMemo(() => new Set(value), [value]);
   const selectedOptions = options.filter((o) => selectedSet.has(String(o.value)));
@@ -109,7 +111,7 @@ export function MultiSelect({
               })}
             </ScrollView>
             <Pressable onPress={() => setOpen(false)} className="mt-1 items-center rounded-lg bg-primary py-2.5">
-              <Text className="text-sm font-semibold text-primary-foreground">Done</Text>
+              <Text className="text-sm font-semibold text-primary-foreground">{t("common.done")}</Text>
             </Pressable>
           </Pressable>
         </Pressable>
diff --git a/components/ui/Reasoning.tsx b/components/ui/Reasoning.tsx
index 8dd7fb9..2ef3f6c 100644
--- a/components/ui/Reasoning.tsx
+++ b/components/ui/Reasoning.tsx
@@ -1,6 +1,7 @@
 import { useState } from "react";
 import { View, Text, Pressable } from "react-native";
 import { ChevronRight, ChevronDown, Brain } from "lucide-react-native";
+import { useTranslation } from "react-i18next";
 import { cn } from "~/lib/utils";
 
 /**
@@ -19,6 +20,7 @@ export function Reasoning({
   reasoning: string;
   className?: string;
 }) {
+  const { t } = useTranslation();
   const [open, setOpen] = useState(false);
   if (!reasoning || reasoning.trim() === "") return null;
   return (
@@ -31,7 +33,7 @@ export function Reasoning({
         accessibilityState={{ expanded: open }}
       >
         <Brain size={13} color="#64748b" />
-        <Text className="flex-1 text-xs font-medium text-muted-foreground">Reasoning</Text>
+        <Text className="flex-1 text-xs font-medium text-muted-foreground">{t("ai.reasoning")}</Text>
         {open ? (
           <ChevronDown size={14} color="#94a3b8" />
         ) : (
diff --git a/components/views/SaveViewDialog.tsx b/components/views/SaveViewDialog.tsx
index 5da7fb1..0fe2fb7 100644
--- a/components/views/SaveViewDialog.tsx
+++ b/components/views/SaveViewDialog.tsx
@@ -1,6 +1,7 @@
 import React, { useState } from "react";
 import { View, Text, TextInput, Pressable, Modal } from "react-native";
 import { X, Save } from "lucide-react-native";
+import { useTranslation } from "react-i18next";
 import { cn } from "~/lib/utils";
 import type { SaveViewInput } from "~/hooks/useViewStorage";
 
@@ -27,6 +28,7 @@ export function SaveViewDialog({
   onSave,
   initialValues,
 }: SaveViewDialogProps) {
+  const { t } = useTranslation();
   const [name, setName] = useState(initialValues?.name ?? "");
   const [visibility, setVisibility] = useState<"private" | "shared">(
     initialValues?.visibility ?? "private",
@@ -56,25 +58,25 @@ export function SaveViewDialog({
         <View className="w-full max-w-sm rounded-2xl bg-card p-5 shadow-lg">
           {/* Header */}
           <View className="mb-4 flex-row items-center justify-between">
-            <Text className="text-lg font-semibold text-foreground">Save View</Text>
+            <Text className="text-lg font-semibold text-foreground">{t("views.saveView")}</Text>
             <Pressable onPress={onClose} className="rounded-full p-1">
               <X size={20} color="#64748b" />
             </Pressable>
           </View>
 
           {/* Name input */}
-          <Text className="mb-1 text-xs font-medium text-muted-foreground">View Name</Text>
+          <Text className="mb-1 text-xs font-medium text-muted-foreground">{t("views.viewName")}</Text>
           <TextInput
             className="mb-4 rounded-xl border border-input bg-background px-4 py-3 text-base text-foreground"
             value={name}
             onChangeText={setName}
-            placeholder="e.g. My Active Leads"
+            placeholder={t("views.namePlaceholder")}
             placeholderTextColor="#94a3b8"
             autoFocus
           />
 
           {/* Visibility toggle */}
-          <Text className="mb-2 text-xs font-medium text-muted-foreground">Visibility</Text>
+          <Text className="mb-2 text-xs font-medium text-muted-foreground">{t("views.visibility")}</Text>
           <View className="mb-5 flex-row gap-2">
             <Pressable
               onPress={() => setVisibility("private")}
@@ -91,7 +93,7 @@ export function SaveViewDialog({
                   visibility === "private" ? "text-primary" : "text-muted-foreground",
                 )}
               >
-                Private
+                {t("views.private")}
               </Text>
             </Pressable>
             <Pressable
@@ -109,7 +111,7 @@ export function SaveViewDialog({
                   visibility === "shared" ? "text-primary" : "text-muted-foreground",
                 )}
               >
-                Shared
+                {t("views.shared")}
               </Text>
             </Pressable>
           </View>
@@ -125,7 +127,7 @@ export function SaveViewDialog({
           >
             <Save size={16} color="#ffffff" />
             <Text className="ml-2 font-semibold text-primary-foreground">
-              {isSaving ? "Saving…" : "Save View"}
+              {isSaving ? t("common.saving") : t("views.saveView")}
             </Text>
           </Pressable>
         </View>
diff --git a/jest.setup.ts b/jest.setup.ts
index e3fa0f1..039558f 100644
--- a/jest.setup.ts
+++ b/jest.setup.ts
@@ -203,3 +203,10 @@ const mockAppState = {
   addEventListener: jest.fn(() => ({ remove: jest.fn() })),
 };
 jest.mock("react-native/Libraries/AppState/AppState", () => mockAppState);
+
+/* ---- i18next ---- */
+// Initialize the shared i18n instance so components' `t()` calls resolve to
+// real (English) strings in tests instead of returning raw keys. Mirrors the
+// app, where importing a screen pulls in `~/lib/i18n`; tests render components
+// in isolation, so without this the translation layer is never set up.
+require("~/lib/i18n");
diff --git a/locales/ar.json b/locales/ar.json
index 4f4fe01..5377e9c 100644
--- a/locales/ar.json
+++ b/locales/ar.json
@@ -26,7 +26,10 @@
     "more": "المزيد",
     "settings": "الإعدادات",
     "language": "اللغة",
-    "packages": "الحزم"
+    "packages": "الحزم",
+    "clear": "مسح",
+    "today": "اليوم",
+    "undo": "تراجع"
   },
   "auth": {
     "signIn": "تسجيل الدخول",
@@ -209,7 +212,21 @@
     "required": "هذا الحقل مطلوب.",
     "invalidEmail": "يرجى إدخال عنوان بريد إلكتروني صالح.",
     "invalidUrl": "يرجى إدخال عنوان URL صالح.",
-    "invalidNumber": "يرجى إدخال رقم صالح."
+    "invalidNumber": "يرجى إدخال رقم صالح.",
+    "gallery": "المعرض",
+    "camera": "الكاميرا",
+    "file": "ملف",
+    "uploading": "جارٍ الرفع…",
+    "uploadFailed": "تعذّر رفع الملف. يرجى المحاولة مرة أخرى.",
+    "attachedFile": "ملف مرفق"
+  },
+  "views": {
+    "saveView": "حفظ العرض",
+    "viewName": "اسم العرض",
+    "namePlaceholder": "مثال: عملائي المحتملون النشطون",
+    "visibility": "الظهور",
+    "private": "خاص",
+    "shared": "مُشترك"
   },
   "nav": {
     "home": "الرئيسية",
@@ -272,6 +289,7 @@
     "profileFallback": "مستخدم"
   },
   "ai": {
+    "reasoning": "الاستدلال",
     "title": "المساعد الذكي",
     "thinking": "يفكّر…",
     "copy": "نسخ",
diff --git a/locales/en.json b/locales/en.json
index 431c970..d66d7de 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -26,7 +26,10 @@
     "more": "More",
     "settings": "Settings",
     "language": "Language",
-    "packages": "Packages"
+    "packages": "Packages",
+    "clear": "Clear",
+    "today": "Today",
+    "undo": "Undo"
   },
   "auth": {
     "signIn": "Sign In",
@@ -205,7 +208,21 @@
     "required": "This field is required.",
     "invalidEmail": "Please enter a valid email address.",
     "invalidUrl": "Please enter a valid URL.",
-    "invalidNumber": "Please enter a valid number."
+    "invalidNumber": "Please enter a valid number.",
+    "gallery": "Gallery",
+    "camera": "Camera",
+    "file": "File",
+    "uploading": "Uploading…",
+    "uploadFailed": "Could not upload the file. Please try again.",
+    "attachedFile": "Attached file"
+  },
+  "views": {
+    "saveView": "Save View",
+    "viewName": "View Name",
+    "namePlaceholder": "e.g. My Active Leads",
+    "visibility": "Visibility",
+    "private": "Private",
+    "shared": "Shared"
   },
   "nav": {
     "home": "Home",
@@ -269,6 +286,7 @@
     "profileFallback": "User"
   },
   "ai": {
+    "reasoning": "Reasoning",
     "title": "AI Assistant",
     "thinking": "Thinking…",
     "copy": "Copy",
diff --git a/locales/zh.json b/locales/zh.json
index fd927df..fa9308d 100644
--- a/locales/zh.json
+++ b/locales/zh.json
@@ -26,7 +26,10 @@
     "more": "更多",
     "settings": "设置",
     "language": "语言",
-    "packages": "应用包"
+    "packages": "应用包",
+    "clear": "清除",
+    "today": "今天",
+    "undo": "撤销"
   },
   "auth": {
     "signIn": "登录",
@@ -204,7 +207,21 @@
     "required": "此字段为必填项。",
     "invalidEmail": "请输入有效的邮箱地址。",
     "invalidUrl": "请输入有效的 URL。",
-    "invalidNumber": "请输入有效的数字。"
+    "invalidNumber": "请输入有效的数字。",
+    "gallery": "相册",
+    "camera": "相机",
+    "file": "文件",
+    "uploading": "上传中…",
+    "uploadFailed": "文件上传失败，请重试。",
+    "attachedFile": "已附加文件"
+  },
+  "views": {
+    "saveView": "保存视图",
+    "viewName": "视图名称",
+    "namePlaceholder": "例如：我的活跃线索",
+    "visibility": "可见性",
+    "private": "私有",
+    "shared": "共享"
   },
   "nav": {
     "home": "首页",
@@ -267,6 +284,7 @@
     "profileFallback": "用户"
   },
   "ai": {
+    "reasoning": "推理",
     "title": "AI 助手",
     "thinking": "正在思考…",
     "copy": "复制",