Explore powerful tools and features to customize Firefox and make the browser all your own.
YouTube Control Center is an open-source project that aims to enhance the overall YouTube experience by providing the end user with more control in what the playback process is concerned.
a customizable extension to save the images from the current tab page
SmartProxy will automatically enable/disable proxy for the sites you visit, based on customizable patterns.
Pearltrees lets you organize all your interests.
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NoSquint is no longer maintained.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