diff --git a/src/app.css b/src/app.css
index 00a388f74..63815473f 100644
--- a/src/app.css
+++ b/src/app.css
@@ -1,5 +1,35 @@
 @import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400&family=LINE+Seed+JP:wght@400;700&family=Oswald:wght@400;500;600;700&display=swap');
 
+/* Bundled fonts */
+@font-face {
+  font-family: 'Montserrat';
+  src: url('/fonts/Montserrat-VariableFont_wght.ttf') format('truetype');
+  font-weight: 100 900;
+  font-display: swap;
+}
+
+@font-face {
+  font-family: 'Noto Sans';
+  src: url('/fonts/NotoSans-VariableFont_wdth,wght.ttf') format('truetype');
+  font-weight: 100 900;
+  font-display: swap;
+}
+
+@font-face {
+  font-family: 'Noto Sans';
+  src: url('/fonts/NotoSans-Italic-VariableFont_wdth,wght.ttf') format('truetype');
+  font-weight: 100 900;
+  font-style: italic;
+  font-display: swap;
+}
+
+@font-face {
+  font-family: 'Source Sans 3';
+  src: url('/fonts/SourceSans3-VariableFont_wght.ttf') format('truetype');
+  font-weight: 200 900;
+  font-display: swap;
+}
+
 :root {
   /* QBZ Dark Theme Colors */
   --bg-primary: #0f0f0f;
@@ -71,6 +101,20 @@
   --font-mono: 'JetBrains Mono', monospace;
 }
 
+/* Font overrides */
+[data-font="montserrat"] {
+  --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
+}
+[data-font="noto-sans"] {
+  --font-sans: 'Noto Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
+}
+[data-font="source-sans-3"] {
+  --font-sans: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
+}
+[data-font="system"] {
+  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
+}
+
 /* Light Theme */
 [data-theme="light"] {
   --bg-primary: #ffffff;
diff --git a/src/lib/app/bootstrap.ts b/src/lib/app/bootstrap.ts
index 0b08f163a..7daa5ef4a 100644
--- a/src/lib/app/bootstrap.ts
+++ b/src/lib/app/bootstrap.ts
@@ -27,6 +27,16 @@ export function loadSavedTheme(): void {
   }
 }
 
+/**
+ * Load and apply saved font family from localStorage
+ */
+export function loadSavedFont(): void {
+  const savedFont = localStorage.getItem('qbz-font-family');
+  if (savedFont) {
+    document.documentElement.setAttribute('data-font', savedFont);
+  }
+}
+
 /**
  * Apply saved UI zoom level (Tauri webview zoom)
  */
@@ -124,8 +134,9 @@ export interface BootstrapResult {
  * @returns Object with cleanup function for onDestroy
  */
 export function bootstrapApp(): BootstrapResult {
-  // Load theme
+  // Load theme and font
   loadSavedTheme();
+  loadSavedFont();
   void applySavedZoom();
 
   // Load notification preferences
diff --git a/src/lib/components/views/SettingsView.svelte b/src/lib/components/views/SettingsView.svelte
index 49f3ff8e0..ee4ae151e 100644
--- a/src/lib/components/views/SettingsView.svelte
+++ b/src/lib/components/views/SettingsView.svelte
@@ -548,6 +548,38 @@
   // Available languages (only those with translations)
   const availableLanguages = ['Auto', 'English', 'Español', 'Français', 'Deutsch'];
 
+  // Font family selection
+  const fontFamilies: Record<string, string> = {
+    'LINE Seed JP': '',                // default (no data-font attribute)
+    'Montserrat': 'montserrat',
+    'Noto Sans': 'noto-sans',
+    'Source Sans 3': 'source-sans-3',
+    'System': 'system',
+  };
+
+  const fontReverseMap: Record<string, string> = Object.fromEntries(
+    Object.entries(fontFamilies).map(([name, val]) => [val, name])
+  );
+
+  const fontOptions = Object.keys(fontFamilies);
+
+  let selectedFont = $state('LINE Seed JP');
+
+  function applyFont(fontValue: string) {
+    if (fontValue) {
+      document.documentElement.setAttribute('data-font', fontValue);
+    } else {
+      document.documentElement.removeAttribute('data-font');
+    }
+  }
+
+  function handleFontChange(newFont: string) {
+    selectedFont = newFont;
+    const fontValue = fontFamilies[newFont] || '';
+    applyFont(fontValue);
+    localStorage.setItem('qbz-font-family', fontValue);
+  }
+
   // Audio settings
   let streamingQuality = $state('Hi-Res+');
   let outputDevice = $state('System Default');
@@ -887,6 +919,11 @@
     theme = themeReverseMap[savedTheme] || 'Dark';
     applyTheme(savedTheme);
 
+    // Load font
+    const savedFont = localStorage.getItem('qbz-font-family') || '';
+    selectedFont = fontReverseMap[savedFont] || 'LINE Seed JP';
+    applyFont(savedFont);
+
     // Load streaming quality preference
     const savedQuality = getUserItem('qbz-streaming-quality');
     if (savedQuality) {
@@ -3561,6 +3598,14 @@
         onchange={handleLanguageChange}
       />
     </div>
+    <div class="setting-row">
+      <span class="setting-label">{$t('settings.appearance.fontFamily')}</span>
+      <Dropdown
+        value={selectedFont}
+        options={fontOptions}
+        onchange={handleFontChange}
+      />
+    </div>
     <div class="setting-row">
       <span class="setting-label">{$t('settings.appearance.uiScale')}</span>
       <Dropdown
diff --git a/src/lib/i18n/locales/de.json b/src/lib/i18n/locales/de.json
index 1b7fd34d2..27d9c4cca 100644
--- a/src/lib/i18n/locales/de.json
+++ b/src/lib/i18n/locales/de.json
@@ -653,6 +653,7 @@
       },
       "accentColor": "Akzentfarbe",
       "language": "Sprache",
+      "fontFamily": "Schriftart",
       "uiScale": "UI-Skalierung",
       "inAppToasts": "In-App-Benachrichtigungen",
       "systemNotifications": "Systembenachrichtigungen",
diff --git a/src/lib/i18n/locales/en.json b/src/lib/i18n/locales/en.json
index bcf5bae4d..bc6fbcaee 100644
--- a/src/lib/i18n/locales/en.json
+++ b/src/lib/i18n/locales/en.json
@@ -670,6 +670,7 @@
       },
       "accentColor": "Accent Color",
       "language": "Language",
+      "fontFamily": "Font",
       "uiScale": "UI Scale",
       "inAppToasts": "In-app toasts notifications",
       "systemNotifications": "System Notifications",
diff --git a/src/lib/i18n/locales/es.json b/src/lib/i18n/locales/es.json
index 80fa2ce9d..577cbf8fc 100644
--- a/src/lib/i18n/locales/es.json
+++ b/src/lib/i18n/locales/es.json
@@ -670,6 +670,7 @@
       },
       "accentColor": "Color de Acento",
       "language": "Idioma",
+      "fontFamily": "Fuente",
       "uiScale": "Escala de UI",
       "inAppToasts": "Notificaciones en App",
       "systemNotifications": "Notificaciones del Sistema",
diff --git a/src/lib/i18n/locales/fr.json b/src/lib/i18n/locales/fr.json
index abd5b530a..659d41f4f 100644
--- a/src/lib/i18n/locales/fr.json
+++ b/src/lib/i18n/locales/fr.json
@@ -653,6 +653,7 @@
       },
       "accentColor": "Couleur d'accent",
       "language": "Langue",
+      "fontFamily": "Police",
       "uiScale": "Échelle de l'interface",
       "inAppToasts": "Notifications toast intégrées",
       "systemNotifications": "Notifications système",
diff --git a/static/fonts/LINESeedJP-Regular.ttf b/static/fonts/LINESeedJP-Regular.ttf
new file mode 100644
index 000000000..655c30d55
Binary files /dev/null and b/static/fonts/LINESeedJP-Regular.ttf differ
diff --git a/static/fonts/Montserrat-VariableFont_wght.ttf b/static/fonts/Montserrat-VariableFont_wght.ttf
new file mode 100644
index 000000000..451e69288
Binary files /dev/null and b/static/fonts/Montserrat-VariableFont_wght.ttf differ
diff --git a/static/fonts/NotoSans-Italic-VariableFont_wdth,wght.ttf b/static/fonts/NotoSans-Italic-VariableFont_wdth,wght.ttf
new file mode 100644
index 000000000..6245ba014
Binary files /dev/null and b/static/fonts/NotoSans-Italic-VariableFont_wdth,wght.ttf differ
diff --git a/static/fonts/NotoSans-VariableFont_wdth,wght.ttf b/static/fonts/NotoSans-VariableFont_wdth,wght.ttf
new file mode 100644
index 000000000..9530d84d5
Binary files /dev/null and b/static/fonts/NotoSans-VariableFont_wdth,wght.ttf differ
diff --git a/static/fonts/SourceSans3-VariableFont_wght.ttf b/static/fonts/SourceSans3-VariableFont_wght.ttf
new file mode 100644
index 000000000..5b7248b8c
Binary files /dev/null and b/static/fonts/SourceSans3-VariableFont_wght.ttf differ
diff --git a/static/fonts/segoeuithis.ttf b/static/fonts/segoeuithis.ttf
new file mode 100644
index 000000000..e429e00c2
Binary files /dev/null and b/static/fonts/segoeuithis.ttf differ