Explore powerful tools and features to customize Firefox and make the browser all your own.
Protect your Passwords, Payments, and Privacy.
Tons of features to improve your user experience on YouTube™.
a customizable extension to save the images from the current tab page
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
Squared tabs, application menu, add-on bar, small button view and many more 'old' features for 'Firefox 29-56', not for Firefox 57+! Release builds Beta builds
Does everything for an HTML table: Copy (table/row/column/cell), Sort (multi-column), Search (regex, range operations ...), Filter, Chart, Statistics, Rearrange, Combine/Compare. To use: Right click in a real HTML table for the "tabletools2" option.
Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs, switch between groups, and quickly search through all of your tabs to switch to a specific one.
瞬间过滤B站(bilibili.com)刷屏的相似弹幕，还你清爽的弹幕视频体验。 *a tweak for a Chinese website. Please ignore this add-on if you are not a user of bilibili.com.*
Open and download links in IDM (Internet Download Manager) easily
Blocks cryptocurrency miners all over the web.
NoSquint is no longer maintained. :(
Forces 1080p playback for Netflix. Source: https://github.com/vladikoff/netflix-1080p-firefox#with-extension Based on https://github.com/truedread/netflix-1080p Chrome Extension