Skip to content
#

web-extension

Universal standard for creating browser extensions.

Working through a W3C charter group, Mozilla has partnered with Microsoft and Opera to define a browser extension API that works across multiple browsers.

There is currently a preliminary specification that matches what Google has implemented in Chrome so that extensions written to the specification could potentially work on Chrome, Edge, Opera and Firefox.

Here are 750 public repositories matching this topic...

Safari Extension for iPhone, iPad & Mac with automatic tracker removal, smart redirects, and restored website functionality. Universal purchase with iCloud sync. Clean URLs, skip unwanted sites, bypass restrictions. Drag-and-drop management, statistics, full customization. 100% privacy-focused.

  • Updated Dec 15, 2025

Created by Browser Extension Community Group

Released May 7, 2015

Followers
291 followers
Website
github.com/topics/webextension

Related topics

browser chrome chrome-extension edge firefox firefox-extension mozilla opera w3c