diff --git a/public/index.html b/public/index.html
index d68b91f..76d9296 100644
--- a/public/index.html
+++ b/public/index.html
@@ -16,19 +16,20 @@
     
 </head>
 <body>
-  <div class="topbar">
-    <div class="custom-controls">
-      <button id="devtools-btn" title="Dev Tools">Tools</button>
-      <button id="logs-btn" title="Logs">Logs</button>
-      <button id="website-btn" title="Website">Website</button>
-      <button id="wiki-btn" title="Wiki">Wiki</button>
+
+    <div class="topbar">
+        <div class="custom-controls">
+            <button id="devtools-btn" title="Dev Tools">Tools</button>
+            <button id="logs-btn" title="Logs">Logs</button>
+            <button id="website-btn" title="Website">Website</button>
+            <button id="wiki-btn" title="Wiki">Wiki</button>
+        </div>
+        <div class="window-controls">
+            <button id="minimize-btn" title="Réduire"><img src="assets/icon/minimize.svg"></button>
+            <button id="maximize-btn" title="Maximiser"><img src="assets/icon/maximize.svg"></button>
+            <button id="close-btn" title="Fermer"><img src="assets/icon/close.svg"></button>
+        </div>
     </div>
-    <div class="window-controls">
-      <button id="minimize-btn" title="Réduire"><img src="assets/icon/minimize.svg"></button>
-      <button id="maximize-btn" title="Maximiser"><img src="assets/icon/maximize.svg"></button>
-      <button id="close-btn" title="Fermer"><img src="assets/icon/close.svg"></button>
-    </div>
-  </div>
 
     <div class="theme-switcher">
         <label for="themeSelect">Thème :</label>
@@ -94,6 +95,8 @@
         <div id="videoInfo" style="margin-top: 20px;"></div>
     </div>
 
+    <span id="version-badge" class="version-badge">v1.3.1</span>
+    
     <!-- Scripts -->
     <script src="script/custompath.js"></script>
     <script src="script/downloadstatus.js"></script>
diff --git a/public/styles/layout/topbar.css b/public/styles/layout/topbar.css
index 2071e13..939b931 100644
--- a/public/styles/layout/topbar.css
+++ b/public/styles/layout/topbar.css
@@ -96,4 +96,21 @@
 #close-btn:active {
   background: #c50f1f;
   transform: scale(0.9);
+}
+
+.version-badge {
+  position: fixed;
+  right: 18px;
+  bottom: 12px;
+  z-index: 2000;
+  font-size: 0.85em;
+  color: #b0b0b0;
+  background: none;
+  font-weight: 500;
+  border-radius: 6px;
+  padding: 2px 8px;
+  opacity: 0.7;
+  pointer-events: none;
+  box-shadow: none;
+  user-select: none;
 }
\ No newline at end of file
