essential addons

by nk23x

29 Add-ons in this Collection

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 964 reviews

348,060 users

Allows bidirectional access to Google Calendar

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 200 reviews

146,535 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

EPUBReader by epubreader

Rated 4 out of 5 stars 248 reviews

242,017 users

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

Screengrab! by Oleksandr

Rated 5 out of 5 stars 341 reviews

92,290 users

Screengrab! Saves or upload webpages as images.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 311 reviews

162,984 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 328 reviews

80,768 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.

Session Manager by Michael Kraft

Rated 5 out of 5 stars 821 reviews

203,323 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.

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

Rated 5 out of 5 stars 343 reviews

88,246 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!

Torrent Tornado by Oleksandr

Rated 4 out of 5 stars 129 reviews

27,800 users

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

Remote XUL Manager by Jorge Villalobos

Rated 5 out of 5 stars 36 reviews

106,205 users

Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.

Form History Control by Stephan Mahieu

Rated 5 out of 5 stars 111 reviews

19,070 users

Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller.

Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.

YesScript by Jason Barnabe, Andras Horvath

Rated 4 out of 5 stars 225 reviews

39,671 users

A JavaScript blacklist

Disable Add-on Compatibility Checks by Kris Maglione

Rated 4 out of 5 stars 118 reviews

28,252 users

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

Pure URL by VEG

Rated 4 out of 5 stars 72 reviews

4,991 users

Removes garbage like "utm_source" from URLs

Copy Urls Expert by Kashif Iqbal Khan

Rated 4 out of 5 stars 85 reviews

11,214 users

Copy multiple urls (links) to clipboard. Provides options to copy urls of all opened tabs and urls in selected text. You can customize the format of copied urls. You can also open multiple links from clipboard.
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