diff --git a/locales/en-US/browser/browser/preferences/zen-preferences.ftl b/locales/en-US/browser/browser/preferences/zen-preferences.ftl
index e9da3700a..c08008d54 100644
--- a/locales/en-US/browser/browser/preferences/zen-preferences.ftl
+++ b/locales/en-US/browser/browser/preferences/zen-preferences.ftl
@@ -259,6 +259,7 @@ zen-key-exit-full-screen = Exit Full Screen
 zen-ai-chatbot-sidebar-shortcut = Toggle AI Chatbot Sidebar
 zen-key-inspector-mac = Toggle Inspector (Mac)
 zen-toggle-sidebar-shortcut = Toggle Firefox Sidebar
+zen-toggle-pin-tab-shortcut = Toggle Pin Tab
 zen-reader-mode-toggle-shortcut-other = Toggle Reader Mode
 zen-picture-in-picture-toggle-shortcut = Toggle Picture-in-Picture
 zen-nav-reload-shortcut-2 = Reload Page
diff --git a/src/browser/base/content/zen-commands.inc.xhtml b/src/browser/base/content/zen-commands.inc.xhtml
index d21246892..68f96a127 100644
--- a/src/browser/base/content/zen-commands.inc.xhtml
+++ b/src/browser/base/content/zen-commands.inc.xhtml
@@ -59,4 +59,6 @@
   <command id="cmd_zenGlanceSplit" />
 
   <command id="cmd_zenOpenFolderCreation" />
+
+  <command id="cmd_zenTogglePinTab" />
 </commandset>
diff --git a/src/zen/common/zen-sets.js b/src/zen/common/zen-sets.js
index 0c95324c0..529a98f60 100644
--- a/src/zen/common/zen-sets.js
+++ b/src/zen/common/zen-sets.js
@@ -115,6 +115,16 @@ document.addEventListener(
               renameFolder: true,
             });
             break;
+          case 'cmd_zenTogglePinTab':
+            const currentTab = gBrowser.selectedTab;
+            if (currentTab) {
+              if (currentTab.pinned) {
+                gBrowser.unpinTab(currentTab);
+              } else {
+                gBrowser.pinTab(currentTab);
+              }
+            }
+            break;
           default:
             gZenGlanceManager.handleMainCommandSet(event);
             if (event.target.id.startsWith('cmd_zenWorkspaceSwitch')) {
diff --git a/src/zen/kbs/ZenKeyboardShortcuts.mjs b/src/zen/kbs/ZenKeyboardShortcuts.mjs
index c52061e9d..c9e4cfbdb 100644
--- a/src/zen/kbs/ZenKeyboardShortcuts.mjs
+++ b/src/zen/kbs/ZenKeyboardShortcuts.mjs
@@ -843,7 +843,13 @@ class nsZenKeyboardShortcutsVersioner {
 
     // Hard-remove deprecated or conflicting defaults regardless of version
     // - Remove the built-in "Open File" keybinding; menu item remains available
-    out = out.filter((shortcut) => shortcut.getAction?.() !== 'Browser:OpenFile');
+    // - Remove default "Bookmark All Tabs" keybinding (Ctrl+Shift+D) to avoid conflict
+    out = out.filter(
+      (shortcut) =>
+        shortcut.getAction?.() !== 'Browser:OpenFile' &&
+        shortcut.getAction?.() !== 'Browser:BookmarkAllTabs' &&
+        shortcut.getAction?.() !== 'key_stop'
+    );
 
     return out;
   }
@@ -1002,7 +1008,20 @@ class nsZenKeyboardShortcutsVersioner {
     }
     if (version < 10) {
       // Migrate from version 9 to 10
-      // 1) Add shortcut to expand Glance into a full tab: Default Accel+O
+      // 1) Add the new pin/unpin tab toggle shortcut with Ctrl+Shift+D
+      data.push(
+        new KeyShortcut(
+          'zen-toggle-pin-tab',
+          'D',
+          '',
+          ZEN_OTHER_SHORTCUTS_GROUP,
+          nsKeyShortcutModifiers.fromObject({ accel: true, shift: true }),
+          'cmd_zenTogglePinTab',
+          'zen-toggle-pin-tab-shortcut'
+        )
+      );
+
+      // 2) Add shortcut to expand Glance into a full tab: Default Accel+O
       data.push(
         new KeyShortcut(
           'zen-glance-expand',