Add-ons
favorites
by nk23x
About this Collection
My favorite add-ons
44 Add-ons in this Collection
Provider for Google Calendar
by Philipp Kewisch
193,383 users
Allows bidirectional access to Google Calendar
Enigmail
by Patrick Brunschwig
4,872 users
Helper tool to migrate your keys and important settings from Enigmail to Thunderbird 78.
Saved Password Editor
by Daniel Dawson
222 users
Adds the ability to create and edit entries in the password manager.
gContactSync
by Josh Geenen
16,189 users
Synchronizes contacts & groups between Thunderbird and Google Contacts.
User Agent Switcher
by chrispederick
185 users
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
SQLite Manager
Mail Merge
by Alexander Bergmann
64,821 users
Create and Save or Send Multiple Individual and Personalized Messages from a Draft
Password Exporter
by Justin Scott (fligtar), Jorge Villalobos
97 users
This add-on allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.
Note: This add-on won't work in Firefox 57. It may eventually if the APIs to access passwords are implemented.
Session Manager
by Michael Kraft
164 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.
UnMHT
by arai_a
39 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.
Remote XUL Manager
by Jorge Villalobos
11 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.
Torrent Tornado
by Oleksandr
39 users
A Torrent Client for Firefox and SeaMonkey, runs everywhere, created in pure JavaScript without binary software!
Menu Wizard
by Oleksandr
304 users
Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey
Mozilla Archive Format, with MHT and Faithful Save
by Christopher Ottley, Paolo Amadini
44 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!
Disable Add-on Compatibility Checks
by Kris Maglione
243 users
Reinstates the extensions.checkCompatibility preference without respect to the current application version.
What are Collections?
Collections are groups of related add-ons that anyone can create and share.
Explore CollectionsTo create your own collections, you must have a Mozilla Add-ons account.
