Firefox Add-On ID Conventions...

How to open a deeplink without creating a new tab or window in a web extension...

View requests made by Firefox extension / add-on...

tabs.executeScript() not injecting script in content page of extension...

Using `window` globals in ManifestV3 service worker background script...

div movement being choppy on firefox extension...

Parsing FB-Purity's Firefox idb (Indexed Database API) object_data blob from Linux bash...

Extracting a base domain/eTLD+1 from a URL...

How to close a window opened using browser.windows.create()?...

How can I use navigator.clipboard.readText() in a Chrome extension?...

Save Data URI as file using downloads.download() API...

Accessing Ember.js services from browser extension in versions ≥4.0...

Firefox extension Manifest v3 - request permission to "access your data for all websites" ...

ModifyHeaders with UpdateDynamicRules doesn't work on firefox using manifest v3...

How to use fetch to get the HTML source of a webpage in a firefox or chrome web extension?...

How to set an proxy object in webextension-polyfill [firefox]...

How to delete a cookie through the Mozilla browser extensions api without knowing its url?...

Can a WebExtension override server IP addresses?...

Firefox extension request is interpreted as CORS...

How to prevent previously added event listeners from being called?...

Load web appliction in GeckoView...

webRequest.filterResponseData() always gives error "Invalid request ID"...

Get the favicon of a url and display it (firefox web-ext)...

How do I set my SVG icons' background to be transparent?...

Firefox Native Messaging runtime.LastError not giving any errors in case of no Native application in...

JavaScript for Firefox Add-on/Extension: "failed to execute script: Error: Permission denied to...

Firefox web extension, content script registration example not working for other websites...

Is it possible to make my browser extension unreplaceable?...

Export Chrome MV3 extension to Firefox MV3...

Run my JavaScript code on every page on my browser, similar to how a Chrome extension would...