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I've developed a Chrome extension, and trying to port it to Firefox using Firefox WebExtensions… Read more How To Get Openertabid In Firefox Webextensions?

I have recently converted a GreaseMonkey script of mine into a WebExtension, just to get a first im… Read more Firefox Webextension: How Do I Run Code Prior To Disable/uninstall?

I am currently creating a WebExtension in which I register a listener on the web requests being mad… Read more Update Webextension Webrequest.onbeforerequest Listener Url Settings From Separate Script

I am trying to develop a Firefox extension which involves copying an image to the clipboard. In the… Read more Firefox Webextension Alternative To Addon Clipboard Sdk For Copying Images

I have an API key and secret required for my extension and I've stored them in a file on their … Read more Calling Api Keys In Background And Content Scripts In Webextension

I have popup in which I need to update the data inside it in reactively. What function or event is … Read more Firefox Extension - Onpopupclose Event?

I've been writing some browser extensions in the last few weeks and until today I thought that … Read more Promise Support For Chrome Extensions Api?

I'm making an extension which allows users to store proxy servers with auth credentials (user/p… Read more Force Proxy Re-authentication In Chrome Extension

I am porting my Chrome extension over to Firefox. It has a paste to clipboard function. But, I have… Read more Copy Text To Clipboard From Background Script In A Firefox Webextension

I'm writing a WebExtension where a background script communicates between a popup window (UI sc… Read more Error: No Window Matching {"matcheshost":[]} For Tabs.insertcss()

I would like to get the URL of the current tab within a page action popup. At first it seems obviou… Read more Get Tab Url From Page Action (webextensions, Android)

I am trying to communicate my web page script with my content script of my web extension with the c… Read more TypeError: Browser Is Undefined (Web Extension Messaging)

I am trying to communicate my web page script with my content script of my web extension with the c… Read more TypeError: Browser Is Undefined (Web Extension Messaging)