diff --git a/backend/src/routes/admin.routes.ts b/backend/src/routes/admin.routes.ts
index 68c8338..1549a09 100644
--- a/backend/src/routes/admin.routes.ts
+++ b/backend/src/routes/admin.routes.ts
@@ -2794,7 +2794,7 @@ export async function adminRoutes(fastify: FastifyInstance) {
             userIds: { type: 'array', items: { type: 'string', format: 'uuid' } },
             emails: { type: 'array', items: { type: 'string', format: 'email' } },
             segment: { type: 'string', enum: SEGMENTS },
-            locale: { type: 'string', enum: ['en', 'fr'] },
+            locale: { type: 'string', enum: ['en', 'fr', 'ar'] },
             limit: { type: 'integer', minimum: 1 },
             payload: { type: 'object', additionalProperties: true },
           },
diff --git a/frontend/app/[locale]/tools/[category]/page.tsx b/frontend/app/[locale]/tools/[category]/page.tsx
index b44e089..ef5f860 100644
--- a/frontend/app/[locale]/tools/[category]/page.tsx
+++ b/frontend/app/[locale]/tools/[category]/page.tsx
@@ -71,11 +71,11 @@ export default function CategoryPage() {
     if (reducedMotion) return;
     
     const interval = setInterval(() => {
-      setPlaceholderIndex((prev) => (prev + 1) % placeholderExamples.length);
+      setPlaceholderIndex((prev) => (prev + 1) % placeholderKeys.length);
     }, 3000);
     
     return () => clearInterval(interval);
-  }, [reducedMotion, placeholderExamples.length]);
+  }, [reducedMotion, placeholderKeys.length]);
 
   const fetchTools = React.useCallback(async () => {
     setIsLoading(true);
diff --git a/frontend/app/[locale]/tools/page.tsx b/frontend/app/[locale]/tools/page.tsx
index e093f3a..740eeb9 100644
--- a/frontend/app/[locale]/tools/page.tsx
+++ b/frontend/app/[locale]/tools/page.tsx
@@ -227,7 +227,7 @@ export default function ToolsPage() {
                   const count = tierCounts[tier.id] || 0;
                   const isActive = activeTier === tier.id;
                   const Icon = tier.icon;
-                  const label = "labelKey" in tier && tier.labelKey ? t(tier.labelKey) : tier.label;
+                  const label = t(tier.labelKey);
                   return (
                     <motion.button
                       key={tier.id}
diff --git a/frontend/components/admin/EmailComposer.tsx b/frontend/components/admin/EmailComposer.tsx
index 71d6d88..e6f0976 100644
--- a/frontend/components/admin/EmailComposer.tsx
+++ b/frontend/components/admin/EmailComposer.tsx
@@ -101,7 +101,7 @@ export function EmailComposer({ onSendSuccess }: EmailComposerProps) {
       try {
         const body: AdminEmailSendSingleBody = {
           emailType: singleType,
-          locale: singleLocale === "en" || singleLocale === "fr" || singleLocale === "ar" ? singleLocale : undefined,
+          locale: singleLocale === "en" || singleLocale === "fr" ? singleLocale : undefined,
         };
         if (/^[0-9a-f-]{36}$/i.test(recipient)) body.userId = recipient;
         else body.email = recipient;
diff --git a/frontend/components/tools/tool-pages/pdf-merge.tsx b/frontend/components/tools/tool-pages/pdf-merge.tsx
index fb6e8ba..72c73e5 100644
--- a/frontend/components/tools/tool-pages/pdf-merge.tsx
+++ b/frontend/components/tools/tool-pages/pdf-merge.tsx
@@ -16,6 +16,7 @@ import { useTranslations } from "next-intl";
 export default function PdfMergeTool(props: Omit<BaseToolProps, 'uploadType'>) {
   const t = useTranslations("toasts");
   const tButtons = useTranslations("toolButtons");
+  const tTools = useTranslations("tools");
   const [pdfFiles, setPdfFiles] = useState<(File | null)[]>([]);
   const setSelectedFilesRef = useRef<((files: File[]) => void) | null>(null);
   const setSelectedFileRef = useRef<((file: File | null) => void) | null>(null);
diff --git a/frontend/services/admin.service.ts b/frontend/services/admin.service.ts
index 3d26dbe..41ab7e0 100644
--- a/frontend/services/admin.service.ts
+++ b/frontend/services/admin.service.ts
@@ -569,8 +569,8 @@ export interface AdminEmailSendBatchBody {
   emailType: string;
   userIds?: string[];
   emails?: string[];
-  segment?: "all" | "all_pro" | "all_free" | "locale_en" | "locale_fr" | "active_last_7d" | "active_last_30d" | "active_last_90d" | "signup_last_7d" | "signup_last_30d";
-  locale?: "en" | "fr";
+  segment?: "all" | "all_pro" | "all_free" | "locale_en" | "locale_fr" | "locale_ar" | "active_last_7d" | "active_last_30d" | "active_last_90d" | "signup_last_7d" | "signup_last_30d";
+  locale?: "en" | "fr" | "ar";
   limit?: number;
   payload?: Record<string, unknown>;
 }