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by nk23x

62 Add-ons in this Collection

uBlock Origin by Raymond Hill

Rated 5 out of 5 stars 549 reviews

1,225,710 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 263 reviews

334,728 users

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

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 1,032 reviews

330,532 users

Allows bidirectional access to Google Calendar

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 51 reviews

193,492 users

Manage any SQLite database on your computer.

Stylish by Jason Barnabe

Rated 4 out of 5 stars 817 reviews

459,466 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.

Password Exporter by Justin Scott (fligtar), Jorge Villalobos

Rated 4 out of 5 stars 347 reviews

194,594 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 4 out of 5 stars 469 reviews

279,693 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.

EPUBReader by epubreader

Rated 5 out of 5 stars 172 reviews

409,807 users

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

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 192 reviews

158,155 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Torrent Tornado by Oleksandr

Rated 4 out of 5 stars 79 reviews

45,171 users

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

gContactSync by Josh Geenen

Rated 4 out of 5 stars 217 reviews

80,130 users

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

Screengrab (fix version) by Oleksandr

Rated 5 out of 5 stars 291 reviews

136,983 users

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

JavaScript Deobfuscator by Wladimir Palant

Rated 5 out of 5 stars 20 reviews

52,328 users

This add-on shows you what JavaScript code runs on a web page, even if it is obfuscated and generated on the fly. Simply open JavaScript Deobfuscator from the Web Developer menu and watch the scripts being compiled/executed.

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.

YesScript by Jason Barnabe

Rated 4 out of 5 stars 210 reviews

69,573 users

A JavaScript blacklist
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