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by nk23x

62 Add-ons in this Collection

uBlock Origin by Raymond Hill

Rated 5 out of 5 stars 1,743 reviews

3,990,549 users

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

Stylish by userstyles.org

Rated 4 out of 5 stars 828 reviews

397,989 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 275 reviews

314,241 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 4 out of 5 stars 212 reviews

342,197 users

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

SQLite Manager by lazierthanthou

Rated 4 out of 5 stars 79 reviews

181,198 users

Manage any SQLite database on your computer.

Password Exporter by Justin Scott (fligtar), Jorge Villalobos

Rated 4 out of 5 stars 380 reviews

209,156 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 928 reviews

358,345 users

Allows bidirectional access to Google Calendar

Session Manager by Michael Kraft

Rated 4 out of 5 stars 462 reviews

269,536 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.

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 191 reviews

161,588 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

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

Rated 5 out of 5 stars 169 reviews

109,953 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 5 out of 5 stars 94 reviews

48,556 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 122 reviews

51,573 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 256 reviews

119,271 users

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

gContactSync by Josh Geenen

Rated 4 out of 5 stars 224 reviews

95,735 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 235 reviews

98,327 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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