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by nk23x

62 Add-ons in this Collection

uBlock Origin by Raymond Hill

Rated 5 out of 5 stars 520 reviews

1,154,406 users

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

Stylish by Jason Barnabe

Rated 4 out of 5 stars 814 reviews

481,414 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 262 reviews

343,383 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 5 out of 5 stars 47 reviews

199,810 users

Manage any SQLite database on your computer.

EPUBReader by epubreader

Rated 5 out of 5 stars 171 reviews

424,322 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 1,029 reviews

338,360 users

Allows bidirectional access to Google Calendar

Password Exporter by Justin Scott (fligtar), Jorge Villalobos

Rated 4 out of 5 stars 340 reviews

197,009 users

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

Session Manager by Michael Kraft

Rated 5 out of 5 stars 459 reviews

288,482 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.

YesScript by Jason Barnabe

Rated 4 out of 5 stars 207 reviews

65,363 users

A JavaScript blacklist

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 188 reviews

160,960 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Torrent Tornado by Oleksandr

Rated 4 out of 5 stars 73 reviews

45,821 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.

Screengrab (fix version) by Oleksandr

Rated 5 out of 5 stars 286 reviews

140,632 users

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

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

Rated 4 out of 5 stars 294 reviews

170,071 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 215 reviews

81,316 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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