Add-ons
Most Popular All »
- 1. Lightning 6,168,680 users
- 2. ImportExportTools 437,951 users
- 3. Provider for Google Calendar 304,892 users
- 4. FlashGot Mass Downloader 282,278 users
- 5. Element Hiding Helper for Adblock Plus 197,874 users
- 6. Quick Locale Switcher 160,572 users
- 7. Manually sort folders 160,034 users
- 8. LookOut 156,683 users
- 9. Enigmail 129,278 users
- 10. Password Exporter 125,896 users
Featured Extensions See all »
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Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. New beta version available from http://compactheader.mozdev.org/90,730 users -
Allow to redirect (a.k.a. "remail") mail messages to other recipients.35,217 users -
A new Thunderbird address book based on the CardDAV and vCard standards.
Twitter: @CardBookAddon31,071 users -
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.129,278 users
Up & Coming Extensions See all »
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Provides transparent proxy authentication on your enterprise network.
Close authentication dialog if login on proxy failed.1,809 users -
Fixed version (no 90 day timer till silent failure) of the popular "Theme Font & Size Changer for Thunderbird" addon5,873 users -
This add-on offers ui tweaks to improve Thunderbirds appearance (squared tabs, custom tab height, alternative Add-on Manager appearance, compact main toolbars and more).1,434 users -
This add-on searches the given address book(s) for matching contact entries.
It can automatically delete entries that have equivalent or less information than some other one.
Any remaining matches are presented to the user for manual treatment.986 users
Featured Themes See all »
Featured Collections See all »
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