My Favorite Add-ons

by sloprlek

818 Add-ons in this Collection

Turn Off the Lights for YouTube™ and Beyond by Stefan vd

Rated 5 out of 5 stars 427 reviews

48,130 users

The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube™ and Beyond.
It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, Hulu, Metacafe, YouKu, etc.

convert2mp3.net Online YouTube to MP3 Converter by convert2mp3.net

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

The add-on is compatible with the new YouTube design.

New Tab Homepage by Ben Basson

Rated 4 out of 5 stars 422 reviews

99,110 users

A very simple tabbed browsing extension that loads your homepage when you open a new tab. If you have multiple homepages, the first is chosen.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 319 reviews

157,117 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

gContactSync by Josh Geenen

Rated 4 out of 5 stars 237 reviews

93,492 users

Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.

Screengrab! by Oleksandr

Rated 4 out of 5 stars 350 reviews

89,596 users

Screengrab! Saves or upload webpages as images.

Theme Font & Size Changer by Baris Derin, Access Firefox Project

Rated 4 out of 5 stars 340 reviews

74,520 users

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.

Kee by Luckyrat

Kee adds free, secure and easy password management features to your browser which save time and keep your private data more secure.

Powered by KeePass Password Safe (additional installation of this free open-source program is required).

HackBar by Johan Adriaans, Pedro Laguna

Rated 4 out of 5 stars 104 reviews

18,277 users

Simple security audit / Penetration test tool.

Gmail™ Notifier (restartless) by InBasic

Rated 4 out of 5 stars 382 reviews

74,025 users

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

PDF Download by Nitro PDF Software

Download Now

Experimental

Rated 2 out of 5 stars 665 reviews

19,009 users

Use PDF Download to do whatever you like with PDF files on the Web. Regain control and eliminate browser problems, view PDFs directly in Firefox as HTML, and use the all-new Web-to-PDF toolbar to save and share Web pages as high-quality PDF files.

Session Manager by Michael Kraft

Rated 5 out of 5 stars 836 reviews

187,538 users

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Lightshot (screenshot tool) by Serg at SkillBrains, Andrej at SkillBrains

Rated 5 out of 5 stars 215 reviews

45,065 users

Easy and convenient screenshot tool. Allows you to make screenshots of any selected area (video and flash too), edit and upload it to server.

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 1,053 reviews

244,299 users

FireFTP is a free, secure, cross-platform FTP/SFTP client for Waterfox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 55
Results 3145 of 818

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections

More by this User

See all collections by this user