diff --git a/duplicate-tabs-closer-master/README.md b/duplicate-tabs-closer-master/README.md
index 73d429a..0652d12 100644
--- a/duplicate-tabs-closer-master/README.md
+++ b/duplicate-tabs-closer-master/README.md
@@ -3,9 +3,10 @@
 
 deDup2Activate detects and closes duplicate tabs.
 
-* Use the WebExtensions API
-* Support [Firefox](https://addons.mozilla.org/en-US/firefox/addon/duplicate-tabs-closer) and [Chrome](https://chrome.google.com/webstore/detail/duplicate-tabs-closer/gnmdbogfankgjepgglmmfmbnimcmcjle)
-* Firefox Container Tab feature is supported.
+* Use the WebExtensions API
+* Support [Firefox](https://addons.mozilla.org/en-US/firefox/addon/duplicate-tabs-closer) and [Chrome](https://chrome.google.com/webstore/detail/duplicate-tabs-closer/gnmdbogfankgjepgglmmfmbnimcmcjle)
+* Firefox Container Tab feature is supported.
+* Includes a toolbar context menu item **Duplicate Tab Closer** to trigger a manual duplicate sweep.
 
 ## Options:
 
diff --git a/duplicate-tabs-closer-master/_locales/en/messages.json b/duplicate-tabs-closer-master/_locales/en/messages.json
index 0a23e5d..ccc1066 100644
--- a/duplicate-tabs-closer-master/_locales/en/messages.json
+++ b/duplicate-tabs-closer-master/_locales/en/messages.json
@@ -11,10 +11,14 @@
     "message": "Do nothing",
     "description": "Do nothing"
   },
-  "autoCloseTab": {
-    "message": "Close tab automatically",
-    "description": "Close tab automatically"
-  },
+  "autoCloseTab": {
+    "message": "Close tab automatically",
+    "description": "Close tab automatically"
+  },
+  "contextMenuCloseDuplicates": {
+    "message": "Duplicate Tab Closer",
+    "description": "Context menu item that closes duplicate tabs"
+  },
   "showPanel": {
     "message": "Show panel",
     "description": "Show panel"
diff --git a/duplicate-tabs-closer-master/_locales/fr/messages.json b/duplicate-tabs-closer-master/_locales/fr/messages.json
index 100ed48..5f9cb5f 100644
--- a/duplicate-tabs-closer-master/_locales/fr/messages.json
+++ b/duplicate-tabs-closer-master/_locales/fr/messages.json
@@ -11,10 +11,14 @@
     "message": "Ne rien faire",
     "description": "Do nothing"
   },
-  "autoCloseTab": {
-    "message": "Fermer l'onglet automatiquement",
-    "description": "Close tab automatically"
-  },
+  "autoCloseTab": {
+    "message": "Fermer l'onglet automatiquement",
+    "description": "Close tab automatically"
+  },
+  "contextMenuCloseDuplicates": {
+    "message": "Fermer les onglets dupliqués",
+    "description": "Context menu item that closes duplicate tabs"
+  },
   "showPanel": {
     "message": "Afficher le panneau",
     "description": "Show panel"
diff --git a/duplicate-tabs-closer-master/_locales/ja/messages.json b/duplicate-tabs-closer-master/_locales/ja/messages.json
index aa4d5d5..8109bbe 100644
--- a/duplicate-tabs-closer-master/_locales/ja/messages.json
+++ b/duplicate-tabs-closer-master/_locales/ja/messages.json
@@ -11,10 +11,14 @@
     "message": "何もしない",
     "description": "Do nothing"
   },
-  "autoCloseTab": {
-    "message": "自動的にタブを閉じる",
-    "description": "Close tab automatically"
-  },
+  "autoCloseTab": {
+    "message": "自動的にタブを閉じる",
+    "description": "Close tab automatically"
+  },
+  "contextMenuCloseDuplicates": {
+    "message": "重複タブを閉じる",
+    "description": "Context menu item that closes duplicate tabs"
+  },
   "showPanel": {
     "message": "パネルを表示する",
     "description": "Show panel"
diff --git a/duplicate-tabs-closer-master/_locales/ru/messages.json b/duplicate-tabs-closer-master/_locales/ru/messages.json
index bc3c231..eacfec2 100644
--- a/duplicate-tabs-closer-master/_locales/ru/messages.json
+++ b/duplicate-tabs-closer-master/_locales/ru/messages.json
@@ -11,10 +11,14 @@
     "message": "Ничего не делать",
     "description": "Do nothing"
   },
-  "autoCloseTab": {
-    "message": "Закрыть вкладку автоматически",
-    "description": "Close tab automatically"
-  },
+  "autoCloseTab": {
+    "message": "Закрыть вкладку автоматически",
+    "description": "Close tab automatically"
+  },
+  "contextMenuCloseDuplicates": {
+    "message": "Закрыть дубликаты вкладок",
+    "description": "Context menu item that closes duplicate tabs"
+  },
   "showPanel": {
     "message": "Показать панель",
     "description": "Show panel"
diff --git a/duplicate-tabs-closer-master/_locales/uk/messages.json b/duplicate-tabs-closer-master/_locales/uk/messages.json
index 6c79e8e..d4eff0c 100644
--- a/duplicate-tabs-closer-master/_locales/uk/messages.json
+++ b/duplicate-tabs-closer-master/_locales/uk/messages.json
@@ -11,10 +11,14 @@
     "message": "Нічого не робити",
     "description": "Do nothing"
   },
-  "autoCloseTab": {
-    "message": "Закрити вкладку автоматично",
-    "description": "Close tab automatically"
-  },
+  "autoCloseTab": {
+    "message": "Закрити вкладку автоматично",
+    "description": "Close tab automatically"
+  },
+  "contextMenuCloseDuplicates": {
+    "message": "Закрити дублікати вкладок",
+    "description": "Context menu item that closes duplicate tabs"
+  },
   "showPanel": {
     "message": "Показати панель",
     "description": "Show panel"
diff --git a/duplicate-tabs-closer-master/_locales/zh_CN/messages.json b/duplicate-tabs-closer-master/_locales/zh_CN/messages.json
index 055a3a4..35ea996 100644
--- a/duplicate-tabs-closer-master/_locales/zh_CN/messages.json
+++ b/duplicate-tabs-closer-master/_locales/zh_CN/messages.json
@@ -14,11 +14,16 @@
         "description": "Do nothing",
         "hash": "a0a28b9a09a44d3e69599b6500e47a0e"
     },
-    "autoCloseTab": {
-        "message": "自动关闭标签页",
-        "description": "Close tab automatically",
-        "hash": "6096376eef1def5290ffc9e691152903"
-    },
+    "autoCloseTab": {
+        "message": "自动关闭标签页",
+        "description": "Close tab automatically",
+        "hash": "6096376eef1def5290ffc9e691152903"
+    },
+    "contextMenuCloseDuplicates": {
+        "message": "关闭重复标签页",
+        "description": "Context menu item that closes duplicate tabs",
+        "hash": "1f2e3d4c5b6a79808796a5b4c3d2e1f0"
+    },
     "showPanel": {
         "message": "显示面板",
         "description": "Show panel",
diff --git a/duplicate-tabs-closer-master/background.js b/duplicate-tabs-closer-master/background.js
index 32464ec..676b811 100644
--- a/duplicate-tabs-closer-master/background.js
+++ b/duplicate-tabs-closer-master/background.js
@@ -84,8 +84,11 @@ class TabsInfo {
 
 }
 
-// eslint-disable-next-line no-unused-vars
-const tabsInfo = new TabsInfo();"use strict";
+// eslint-disable-next-line no-unused-vars
+const tabsInfo = new TabsInfo();
+
+const CONTEXT_MENU_CLOSE_DUPLICATES_ID = "close-duplicate-tabs";
+"use strict";
 
 const defaultOptions = {
     shrunkMode: {
@@ -646,8 +649,44 @@ const searchForDuplicateTabs = async (windowId, closeTabs) => {
     }
 };
 
-// eslint-disable-next-line no-unused-vars
-const closeDuplicateTabs = (windowId) => searchForDuplicateTabs(windowId, true);
+// eslint-disable-next-line no-unused-vars
+const closeDuplicateTabs = (windowId) => searchForDuplicateTabs(windowId, true);
+
+const getContextMenusApi = () => {
+    if (chrome.contextMenus) return chrome.contextMenus;
+    if (typeof browser !== "undefined" && browser.contextMenus) return browser.contextMenus;
+    return null;
+};
+
+const createContextMenus = () => {
+    const contextMenus = getContextMenusApi();
+    if (!contextMenus) return;
+    contextMenus.removeAll(() => {
+        const title = chrome.i18n.getMessage("contextMenuCloseDuplicates") || "Duplicate Tab Closer";
+        const contexts = ["action"];
+        try {
+            contextMenus.create({
+                id: CONTEXT_MENU_CLOSE_DUPLICATES_ID,
+                title: title,
+                contexts: contexts
+            });
+        } catch (error) {
+            console.error("createContextMenus error:", error);
+        }
+    });
+};
+
+const handleContextMenuClick = async (info, tab) => {
+    if (info.menuItemId !== CONTEXT_MENU_CLOSE_DUPLICATES_ID) return;
+    let windowId = typeof info.windowId !== "undefined" ? info.windowId : undefined;
+    if (typeof windowId === "undefined" && tab && typeof tab.windowId !== "undefined") {
+        windowId = tab.windowId;
+    }
+    if (typeof windowId === "undefined") {
+        windowId = await getActiveWindowId();
+    }
+    closeDuplicateTabs(windowId);
+};
 
 const setDuplicateTabPanel = async (duplicateTab, duplicateTabs) => {
     let containerColor = "";
@@ -730,7 +769,11 @@ const handleMessage = (message, sender, response) => {
     }
 };
 
-chrome.runtime.onMessage.addListener(handleMessage);"use strict";
+chrome.runtime.onMessage.addListener(handleMessage);
+
+const contextMenusApi = getContextMenusApi();
+if (contextMenusApi) contextMenusApi.onClicked.addListener(handleContextMenuClick);
+"use strict";
 
 const onCreatedTab = (tab) => {
 	tabsInfo.setNewTab(tab.id);
@@ -809,6 +852,7 @@ const start = async () => {
         await initializeOptions();
         setBadgeIcon();
         await refreshGlobalDuplicateTabsInfo();
+        createContextMenus();
         chrome.tabs.onCreated.addListener(onCreatedTab);
         chrome.webNavigation.onBeforeNavigate.addListener(onBeforeNavigate);
         chrome.tabs.onAttached.addListener(onAttached);
diff --git a/duplicate-tabs-closer-master/manifest-c.json b/duplicate-tabs-closer-master/manifest-c.json
index ed4c5e0..153105f 100644
--- a/duplicate-tabs-closer-master/manifest-c.json
+++ b/duplicate-tabs-closer-master/manifest-c.json
@@ -22,6 +22,7 @@
   "permissions": [
     "tabs",
     "webNavigation",
+    "contextMenus",
     "storage"
   ],
   "options_ui": {
diff --git a/duplicate-tabs-closer-master/manifest-f.json b/duplicate-tabs-closer-master/manifest-f.json
index a6ac457..216b16f 100644
--- a/duplicate-tabs-closer-master/manifest-f.json
+++ b/duplicate-tabs-closer-master/manifest-f.json
@@ -33,6 +33,7 @@
     "cookies",
     "tabs",
     "webNavigation",
+    "contextMenus",
     "storage",
     "contextualIdentities"
   ],