SimpleChessBoard – Get this Extension for 🦊 Firefox (en-US)

Download SimpleChessBoard for Firefox. Simple chess FEN/PGN viewer with evaluation

SimpleChessBoard – Get this Extension for 🦊 Firefox (en-US)

JavaScript Switch – Get this Extension for 🦊 Firefox (en-US)

Pinboard Extension – Get this Extension for 🦊 Firefox (en-US)

Easysubs – Get this Extension for 🦊 Firefox (en-US)

Change Keyboard Commands Offered By Browser Extensions - Chrome, Firefox, Edge

Easy Reading for Firefox – Get this Extension for 🦊 Firefox (en-US)

SEO Minion – Get this Extension for 🦊 Firefox (en-US)

Easy Session Manager – Get this Extension for 🦊 Firefox (en-US)

I tried using the extension 'xBrowserSync' that can synchronize bookmarks of Google Chrome and Firefox - GIGAZINE

xBrowserSync – Get this Extension for 🦊 Firefox (en-US)