Extensions by Weekly Downloads

Subscribe

HackBar Requires Restart

Simple security audit / Penetration test tool.

Rated 4 out of 5 stars (45)
5,167 weekly downloads

Google search link fix Featured

This extension prevents Google and Yandex search pages from modifying search result links when you click them. This is useful when copying links but it also helps privacy by preventing the search engines from recording your clicks.

Rated 5 out of 5 stars (175)
5,131 weekly downloads

Google™ Translator Featured

Google™ Translator is a handy multi-language translator built on top of Google Translate. It gives you Google Translate UI feel right on your Firefox toolbar.

Rated 4 out of 5 stars (152)
5,091 weekly downloads

Reload Plus Featured

Supercharge your reload button and hotkeys!

Rated 5 out of 5 stars (85)
5,064 weekly downloads

User Agent Overrider

Override browser user agent string

Rated 5 out of 5 stars (62)
4,987 weekly downloads

Live HTTP Headers Requires Restart

View HTTP headers of a page and while browsing.

Rated 4 out of 5 stars (173)
4,983 weekly downloads

Video WithOut Flash

Watch videos without flash

Rated 3 out of 5 stars (66)
4,944 weekly downloads

Just Disable Stuff

Just disable JavaScript - toggle it on and off. No fancy toolbars, icons, windows, unnecessary functions. Just do it. You can also disable images. Just like that.

Rated 4 out of 5 stars (22)
4,876 weekly downloads

Multi YouTube mp3

The YouTube mp3 Download Add-on includes a Button on any YouTube Page and allows you to convert the YouTube Video to a mp3 / mp4 with just one click.

No Limits.
Full Albums possible.
Very Fast.

Rated 4 out of 5 stars (31)
4,870 weekly downloads

uMatrix Featured

Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.

Rated 5 out of 5 stars (119)
4,806 weekly downloads

QuickNote Requires Restart

A simple note-taking extension.

Rated 5 out of 5 stars (179)
4,756 weekly downloads

colorPicker

A very simple extension for learning web page colors. Copy the RGB or Hex color code of any pixel displayed in your browser to the clipboard (in CSS/HTML format). Similar in function to Internet Explorer's color picker.

Rated 5 out of 5 stars (48)
4,733 weekly downloads

JSONView

View JSON documents in the browser.

Rated 5 out of 5 stars (177)
4,690 weekly downloads

Save Link in Folder Requires Restart

Easily save links in personally customized...

Rated 4 out of 5 stars (44)
4,682 weekly downloads

Gmail™ Notifier (restartless) Featured

Multiple account (or label) Gmail notifier (without storing passwords)

Rated 4 out of 5 stars (288)
4,681 weekly downloads

Proxy Switcher Featured

Access to the complete Firefox's proxy settings right from a toolbar panel

Rated 5 out of 5 stars (32)
4,666 weekly downloads

Fasterfox Lite Requires Restart

Fasterfox Lite: Performance and network tweaks for Firefox, without the Enhanced Prefetching. This is a fork from the original "Fasterfox".

Rated 4 out of 5 stars (253)
4,634 weekly downloads

Flash Control

Controls as and when to display the Flash player and the HTML5 player.

Rated 4 out of 5 stars (77)
4,565 weekly downloads

Wappalyzer

Wappalyzer is a browser extension that identifies software on websites.

Rated 4 out of 5 stars (107)
4,541 weekly downloads

convert2mp3.net Online YouTube to MP3 Converter Requires Restart

With this addon you can convert your YouTube, Dailymotion and Clipfish Videos online to MP3, MP4, M4A, AAC, OGG, WMA and 3GP.
It it free, easy and very fast.

update 14.12.2016:
The formats M4A, AAC, OGG, WMA & 3GP were addded

Rated 5 out of 5 stars (52)
4,504 weekly downloads