Firefox

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

A simple zero-config tool to make locally trusted development certificates with any names you'd like.

uBlock Origin - An efficient blocker for Chromium and Firefox. Fast and lean.

Bypass Paywalls web browser extension for Chrome and Firefox.

GitHub on steroids

🗃 Open source self-hosted web archiving. Takes URLs/browser history/bookmarks/Pocket/Pinboard/etc., saves HTML, JS, PDFs, media, and more...

Firefox for iOS

Chrome extension to return youtube dislikes

Web Extension and CLI tool for saving a faithful copy of an entire web page in a single HTML file

🥗 All-in-one professional pop-up dictionary and page translator which supports multiple search modes, page translations, new word notebook and PDF selection searching.

🌐 🔌 The MetaMask browser extension enables browsing Ethereum blockchain enabled websites

Python version of the Playwright testing and automation library.

uBlock: a fast, lightweight, and lean blocker for Chrome, Firefox, and Safari.

Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening

Decrypt passwords/cookies/history/bookmarks from the browser. 一款可全平台运行的浏览器数据导出解密工具。

简悦 ( SimpRead ) - 让你瞬间进入沉浸式阅读的扩展

⚠️ Fenix (Firefox for Android) moved to a new repository. It is now developed and maintained as part of: https://github.com/mozilla-mobile/firefox-android

Skip YouTube video sponsors (browser extension)

WebDriver for Firefox

The all-in-one tool to supercharge your productivity ⌨️