That’s not how permissions work in Chrome extensions. You pretty much can’t do anything with the URL matching permission alone, however broad your pattern (incl

That’s not how permissions work in Chrome extensions. You pretty much can’t do anything with the URL matching permission alone, however broad your pattern (including <all_urls>). Take a look at https://developer.chrome.com/apps/declare_permissions https://developer.chrome.com/apps/declare_permissions https://developer.chrome.com/extensions/api_index https://developer.chrome.com/extensions/api_index Edit: I should mention that content script permissions declaration works differently: https://developer.chrome.com/extensions/content_scripts https://developer.chrome.com/extensions/content_scripts