Extensions by Weekly Downloads

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YouTube™ Downloader Lite

A very lite YouTube downloader (FLV, WebM, 3GP, and MP4)

Rated 4 out of 5 stars (59)
7,141 weekly downloads

Cookies Export/import

Imports/exports cookies following Netscape standard.

Rated 5 out of 5 stars (23)
7,106 weekly downloads

Hide My IP Free

Hide Your IP Address and Unblock Websites for Free with the Hide My IP proxy and VPN IP network. Thousands of IPs around the world to choose from. Access your favorite streaming sites by changing your IP location. No ads or limitations.

Rated 3 out of 5 stars (24)
7,090 weekly downloads

ReloadEvery Requires Restart

Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)

Rated 4 out of 5 stars (735)
6,997 weekly downloads

HttpRequester Requires Restart

A tool for easily making HTTP requests (GET/PUT/POST/DELETE), viewing the responses, and keeping a history of transactions.

Rated 4 out of 5 stars (66)
6,963 weekly downloads

Personas Plus

Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.

Rated 3 out of 5 stars (919)
6,945 weekly downloads

Lightbeam for Firefox Featured

Lightbeam is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.

Rated 4 out of 5 stars (444)
6,915 weekly downloads

Video Downloader Prime Featured

Easily download most popular video formats.

Rated 4 out of 5 stars (44)
6,843 weekly downloads

Unlimited Free VPN by betternet

betternet is the easiest way to connect to the web without censor or restrictions. An unlimited FREE VPN with no ads, no registration, no b******t; we just protect your privacy and identity. That’s it!

Rated 2 out of 5 stars (61)
6,815 weekly downloads

Theme Font & Size Changer Featured

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Rated 5 out of 5 stars (181)
6,737 weekly downloads

Belgium eID Requires Restart

Use the Belgian electronic identity card (eID) in Firefox

Rated 3 out of 5 stars (96)
6,671 weekly downloads

Click&Clean Requires Restart

The quick and easy way to delete your browsing history, erase all temporary internet files, remove downloaded files history, cookies, Flash LSO, typed URLs. Allows to delete private data when Firefox closes. Supported ext. tools like CCleaner.

Rated 5 out of 5 stars (108)
6,632 weekly downloads

Strict Pop-up Blocker

Quickly toggle between blocking all pop-up windows and allowing some pop-ups

Rated 4 out of 5 stars (105)
6,553 weekly downloads

Torrent Tornado Requires Restart Featured

A Torrent Client for Firefox and SeaMonkey, runs everywhere, created in pure JavaScript without binary software!

Rated 5 out of 5 stars (95)
6,514 weekly downloads

HTML5 Video Everywhere!

Replace video player with Firefox native video player

Rated 4 out of 5 stars (43)
6,420 weekly downloads

Turn Off the Lights Featured

The entire page will be fading to dark, so you can watch the video as if you were in the cinema.

Rated 5 out of 5 stars (290)
6,387 weekly downloads

JavaScript Deobfuscator

This add-on shows you what JavaScript code runs on a web page, even if it is obfuscated and generated on the fly. Simply open JavaScript Deobfuscator from the Web Developer menu and watch the scripts being compiled/executed.

Rated 5 out of 5 stars (20)
6,289 weekly downloads

YouTube™ Flash-HTML5 Featured

Play YouTube™ Videos in Flash or HTML5 Player

Rated 4 out of 5 stars (25)
6,262 weekly downloads

Fireforce Requires Restart

brute-force attacks on GET or POST forms

Rated 3 out of 5 stars (17)
6,155 weekly downloads

µBlock

NOTE: Users should be aware that this add-on represents an older fork. The original developer of uBlock is continuing to actively develop the newer fork uBlock Origin.

Rated 4 out of 5 stars (233)
6,000 weekly downloads