The maximum number of top level extension items that can be added to a context menu item whose ContextType is "browser_action" or "page_action". Any items beyond this limit will be ignored.

Browser compatibility

Chrome Edge Firefox Firefox for Android Opera
Basic Support Yes Yes 48.0 No 33


This API is based on Chromium's chrome.contextMenus API. This documentation is derived from context_menus.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

Document Tags and Contributors

 Contributors to this page: wbamberg
 Last updated by: wbamberg,