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by nk23x

62 Add-ons in this Collection

uBlock Origin by Raymond Hill

Rated 5 out of 5 stars 570 reviews

1,230,356 users

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

Stylish by Jason Barnabe

Rated 4 out of 5 stars 818 reviews

437,801 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 263 reviews

318,197 users

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

EPUBReader by epubreader

Rated 5 out of 5 stars 174 reviews

388,083 users

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

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 52 reviews

185,155 users

Manage any SQLite database on your computer.

Password Exporter by Justin Scott (fligtar), Jorge Villalobos

Rated 4 out of 5 stars 349 reviews

187,986 users

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

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 1,035 reviews

309,498 users

Allows bidirectional access to Google Calendar

Session Manager by Michael Kraft

Rated 4 out of 5 stars 473 reviews

271,762 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 72 reviews

44,464 users

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

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

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.

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 192 reviews

148,792 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Screengrab (fix version) by Oleksandr

Rated 5 out of 5 stars 315 reviews

129,154 users

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

YesScript by Jason Barnabe

Rated 4 out of 5 stars 210 reviews

70,082 users

A JavaScript blacklist

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

Rated 4 out of 5 stars 312 reviews

151,932 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!

gContactSync by Josh Geenen

Rated 4 out of 5 stars 218 reviews

76,304 users

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