Add-ons
My Favorite Add-ons
by Irop S
About this Collection
My favorite add-ons
34 Add-ons in this Collection
ImportExportTools
by Paolo "Kaosmos"
5,262 users
Adds some tools to import and export folders and messages
Provider for Google Calendar
by Philipp Kewisch
146,999 users
Provider for Google Calendar connects Thunderbird with Google Calendar for full task sync, conference details, and scheduling support. It offers deeper integration than Thunderbird’s native support using Google’s official API.
FlashGot Mass Downloader
by Giorgio Maone
356 users
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
Saved Password Editor
by Daniel Dawson
167 users
Adds the ability to create and edit entries in the password manager.
User Agent Switcher
by chrispederick
123 users
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
Element Hiding Helper for Adblock Plus
by Felix Dahlke
214 users
Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
Session Manager
by Michael Kraft
117 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
27 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.
Mozilla Archive Format, with MHT and Faithful Save
by Christopher Ottley, Paolo Amadini
29 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!
Ukrainian dictionary
by Andriy Rysin, dyedfox
9,118 users
Ukrainian (uk-UA) spellchecking dictionary
Notepad (QuickFox)
Bluhell Firewall
by Diego Casorran
56 users
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
Image Zoom
TrayHotKey
Master Password+
by V@no
171 users
Various enhancements for build-in "master password" (MP)
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows
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