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by nk23x

62 Add-ons in this Collection

uBlock Origin by Raymond Hill

Rated 5 out of 5 stars 763 reviews

2,437,032 users

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

Stylish by userstyles.org

Rated 4 out of 5 stars 857 reviews

449,076 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

321,100 users

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

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

Rated 4 out of 5 stars 239 reviews

104,012 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.

SQLite Manager by lazierthanthou

Rated 4 out of 5 stars 60 reviews

194,127 users

Manage any SQLite database on your computer.

EPUBReader by epubreader

Rated 5 out of 5 stars 181 reviews

409,077 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

349,712 users

Allows bidirectional access to Google Calendar

Password Exporter by Justin Scott (fligtar), Jorge Villalobos

Rated 4 out of 5 stars 368 reviews

208,431 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 196 reviews

166,783 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Session Manager by Michael Kraft

Rated 4 out of 5 stars 497 reviews

288,245 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.

Torrent Tornado by Oleksandr

Rated 4 out of 5 stars 88 reviews

49,398 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 103 reviews

48,570 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 313 reviews

131,322 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

90,660 users

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

UnMHT by arai_a

Rated 4 out of 5 stars 229 reviews

93,935 users

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.
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