diff --git a/js/controls.js b/js/controls.js
index 69d0d1b..7c4e07d 100644
--- a/js/controls.js
+++ b/js/controls.js
@@ -194,6 +194,42 @@ function initControls(manager, wsClient, components) {
     localStorage.setItem(STORAGE_API_KEY, apiKeyInput.value.trim());
   });
 
+  const importKeyBtn = document.getElementById('import-key-btn');
+  const importKeyFile = /** @type {HTMLInputElement | null} */ (
+    document.getElementById('import-key-file')
+  );
+  const promptKeyBtn = document.getElementById('prompt-key-btn');
+
+  function applyImportedKey(key) {
+    if (!apiKeyInput) return;
+    apiKeyInput.value = key;
+    localStorage.setItem(STORAGE_API_KEY, key);
+  }
+
+  if (importKeyBtn && importKeyFile) {
+    importKeyBtn.addEventListener('click', () => {
+      importKeyFile.value = '';
+      importKeyFile.click();
+    });
+    importKeyFile.addEventListener('change', () => {
+      const file = importKeyFile.files && importKeyFile.files[0];
+      if (!file) return;
+      var reader = new FileReader();
+      reader.onload = function () {
+        var text = typeof reader.result === 'string' ? reader.result.trim() : '';
+        if (text) applyImportedKey(text);
+      };
+      reader.readAsText(file);
+    });
+  }
+
+  if (promptKeyBtn) {
+    promptKeyBtn.addEventListener('click', () => {
+      var key = window.prompt('Paste or type your API key:');
+      if (key && key.trim()) applyImportedKey(key.trim());
+    });
+  }
+
   const volumeSlider = document.getElementById('volume-slider');
   const volumeValue = document.getElementById('volume-value');
   const themeSound = /** @type {HTMLAudioElement | null} */ (
@@ -340,22 +376,25 @@ function initConnectionStatusHandler() {
   const wsDisconnectRow = document.getElementById('ws-disconnect-row');
   const apiUrlInput = document.getElementById('api-url-input');
   const apiKeyInput = document.getElementById('api-key-input');
+  const importKeyBtn = document.getElementById('import-key-btn');
+  const promptKeyBtn = document.getElementById('prompt-key-btn');
 
   return (state, message) => {
     if (wsStatusDot) wsStatusDot.className = `status-dot ${state}`;
     if (wsStatusText) wsStatusText.textContent = message ?? String(state);
 
-    if (state === 'connected') {
+    var isConnected = state === 'connected';
+    if (isConnected) {
       if (wsConnectBtn) wsConnectBtn.style.display = 'none';
       if (wsDisconnectRow) wsDisconnectRow.style.display = 'flex';
-      if (apiUrlInput) apiUrlInput.disabled = true;
-      if (apiKeyInput) apiKeyInput.disabled = true;
     } else {
       if (wsConnectBtn) wsConnectBtn.style.display = 'block';
       if (wsDisconnectRow) wsDisconnectRow.style.display = 'none';
-      if (apiUrlInput) apiUrlInput.disabled = false;
-      if (apiKeyInput) apiKeyInput.disabled = false;
     }
+    if (apiUrlInput) apiUrlInput.disabled = isConnected;
+    if (apiKeyInput) apiKeyInput.disabled = isConnected;
+    if (importKeyBtn) importKeyBtn.disabled = isConnected;
+    if (promptKeyBtn) promptKeyBtn.disabled = isConnected;
   };
 }
 
diff --git a/optimized-controls.html b/optimized-controls.html
index 332cc34..34f8f60 100644
--- a/optimized-controls.html
+++ b/optimized-controls.html
@@ -764,6 +764,11 @@
                     <div class="control-row">
                         <input type="password" id="api-key-input" placeholder="Enter API key">
                     </div>
+                    <div class="control-row" style="gap: 6px;">
+                        <button id="import-key-btn" title="Import API key from a .txt file">Import from File</button>
+                        <button id="prompt-key-btn" title="Enter API key via dialog (paste works)">Paste Key</button>
+                        <input type="file" id="import-key-file" accept=".txt,.key" style="display: none;">
+                    </div>
                     <div class="control-row">
                         <button id="ws-connect-btn">Connect</button>
                     </div>