Translate your page in real time using Google or Yandex
The headless Chrome/Chromium driver on top of Puppeteer
JS wrapper for ZetaOffice in the browser
Sync your bookmarks privately across browsers and devices
Claude Code Skill for browser automation with Playwright
A frontend for an IPFS node
Firefox add-on that stops look-alike (homograph) web addresses
AI-powered browser extension for bulk downloading Pinterest images wit
DevTools for Firefox for Android and desktop: debug pages on a phone
Checks OCSP/CRL revocation of the site certificate directly in Firefox
Tweak React components in real time
The Blockstack Browser allows you to explore the Blockstack internet
JSON based visual regression testing library
Firebug Lite Beta for Google Chrome and Opera Browser
Plays music from Animal Crossing: New Leaf for each hour of the day.
pushState + ajax = pjax
Modification of Rikaichan with more features and customization options
Point & click to forbid/allow any class of requests made by browser
Easily open documents/files of any format you found on the web