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by nk23x

62 Add-ons in this Collection

uBlock Origin by Raymond Hill

Rated 5 out of 5 stars 766 reviews

2,509,996 users

Finally, an efficient blocker. Easy on CPU and memory.

Stylish by userstyles.org

Rated 4 out of 5 stars 857 reviews

450,756 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 265 reviews

326,003 users

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

SQLite Manager by lazierthanthou

Rated 4 out of 5 stars 60 reviews

195,752 users

Manage any SQLite database on your computer.

EPUBReader by epubreader

Rated 5 out of 5 stars 181 reviews

409,512 users

With EPUBReader you can read ePub files just in Firefox. No additional software needed!

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 1,014 reviews

352,189 users

Allows bidirectional access to Google Calendar

Password Exporter by Justin Scott (fligtar), Jorge Villalobos

Rated 4 out of 5 stars 368 reviews

210,484 users

This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 197 reviews

169,253 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Session Manager by Michael Kraft

Rated 4 out of 5 stars 497 reviews

290,014 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.

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

Rated 4 out of 5 stars 239 reviews

105,172 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.

Torrent Tornado by Oleksandr

Rated 4 out of 5 stars 88 reviews

49,660 users

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

uMatrix by Raymond Hill

Rated 5 out of 5 stars 104 reviews

48,867 users

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

Screengrab (fix version) by Oleksandr

Rated 5 out of 5 stars 314 reviews

132,475 users

Screengrab! saves webpages as images.
0.99 released!
New features: upload to internet

gContactSync by Josh Geenen

Rated 4 out of 5 stars 231 reviews

90,347 users

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

Mozilla Archive Format, with MHT and Faithful Save by Christopher Ottley, Paolo Amadini

Rated 4 out of 5 stars 322 reviews

161,227 users

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!
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