diff --git a/public/assets/app.js b/public/assets/app.js
index 16fa819..ef499fa 100644
--- a/public/assets/app.js
+++ b/public/assets/app.js
@@ -191,6 +191,13 @@
             band: 'Band',
             hostname: 'Hostname',
             signal: 'Signal',
+            signalBest: 'Best',
+            signalExcellent: 'Excellent',
+            signalGood: 'Good',
+            signalFine: 'Fine',
+            signalNormal: 'Normal',
+            signalWeak: 'Weak',
+            signalBad: 'Very weak',
             txRate: 'TX Rate',
             rxRate: 'RX Rate',
             connected: 'Connected',
@@ -401,6 +408,13 @@
             band: '대역',
             hostname: '호스트명',
             signal: '신호',
+            signalBest: '최상',
+            signalExcellent: '매우 좋음',
+            signalGood: '좋음',
+            signalFine: '양호',
+            signalNormal: '보통',
+            signalWeak: '약함',
+            signalBad: '매우 약함',
             txRate: '송신 속도',
             rxRate: '수신 속도',
             connected: '연결 시간',
@@ -1557,6 +1571,10 @@
         return escapeHtml(v).replaceAll("'", ''');
     }
 
+    function formatMac(value) {
+        return String(value || '').toUpperCase();
+    }
+
     function wifiValueTitle(row, key) {
         const source = row?.[`${key}_source`];
         if (!source || source === 'iw' || source === 'lease') return '';
@@ -1605,13 +1623,13 @@
 
     function signalQuality(dbm) {
         if (dbm === null || !Number.isFinite(dbm)) return 'unknown';
-        if (dbm >= -45) return { className: 'best', label: '최상' };
-        if (dbm >= -55) return { className: 'excellent', label: '매우 좋음' };
-        if (dbm >= -65) return { className: 'good', label: '좋음' };
-        if (dbm >= -72) return { className: 'fine', label: '양호' };
-        if (dbm >= -80) return { className: 'normal', label: '보통' };
-        if (dbm >= -88) return { className: 'weak', label: '약함' };
-        return { className: 'bad', label: '매우 약함' };
+        if (dbm >= -45) return { className: 'best', label: t('signalBest') };
+        if (dbm >= -55) return { className: 'excellent', label: t('signalExcellent') };
+        if (dbm >= -65) return { className: 'good', label: t('signalGood') };
+        if (dbm >= -72) return { className: 'fine', label: t('signalFine') };
+        if (dbm >= -80) return { className: 'normal', label: t('signalNormal') };
+        if (dbm >= -88) return { className: 'weak', label: t('signalWeak') };
+        return { className: 'bad', label: t('signalBad') };
     }
 
     function signalDbmText(dbm, raw = '') {
@@ -1633,7 +1651,7 @@
 
     async function editWifiHostname(mac, currentName) {
         if (!mac) return;
-        const value = await window.customPrompt(`${t('wifiAliasPrompt')}\n${mac}`, {
+        const value = await window.customPrompt(`${t('wifiAliasPrompt')}\n${formatMac(mac)}`, {
             title: t('wifiAliasTitle'),
             defaultValue: currentName || '',
             okText: t('dialogOk'),
@@ -1656,7 +1674,7 @@
     async function wakeLanDevice(mac, hostname = '') {
         if (!mac) return;
 
-        const confirmed = await window.customConfirm(t('wolConfirm', { hostname, mac }), {
+        const confirmed = await window.customConfirm(t('wolConfirm', { hostname, mac: formatMac(mac) }), {
             title: t('wolConfirmTitle'),
             okText: t('dialogOk'),
             cancelText: t('dialogCancel'),
@@ -1840,7 +1858,7 @@
                     ${wifiBandCell(row)}
                     ${wifiHostCell(row)}
                     ${td(row.ip)}
-                    ${td(row.mac)}
+                    ${td(formatMac(row.mac))}
                     ${wifiMetricCell(row, 'signal')}
                     ${wifiRateCells(row)}
                     ${td(wifiConnectedCellValue(row))}