Extensions are like apps for Firefox.
They add features to Firefox to make browsing faster, safer, or just plain fun.
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archive․is, Google, Bing and Yandex
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
Automatically learns to block invisible trackers.
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.
Blocking ads and fighting back against advertising surveillance.
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.