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Add Signature
Requires Restart
Simply add your signature manually (right mouse click) to your emails
Subject Cleaner
Requires Restart
Remove extra strings from the subject while composing the message.
iOS IMAP Notes
This addon allows to edit notes iOS notes within TB. The legacy version was mostly based on code derived from the "Header Tools Lite" by Paolo Kaosmos and OPTO. The WebExtension version for TB 115 and later was created with support from John Bieling.
Hyperactive
Requires Restart
Scans hyperlinks in composed messages and alerts if one of the hyperlinks is broken.
Expertspam
NoComposeAccount
Requires Restart
Have the option of Thunderbird always using the default sender account or a blank account when composing or replying to messages
Mail Sent Notifier
Allows to notify a HTTP-GET based webservice after successfully sent an email, e.g. for time registration systems.
URL Link
URL Link is a small Thunderbird extension that allows you to select a non-URL in a mail/news message or web-page, and open it in a browser window.
Open With
Open With can open your web links in any browser installed on your computer.
*Open With is no longer maintained.*
cb_thunderlink
cb_thunderlink is a thunderlink replacement.
Clickable, durable links to specific messages inside Thunderbird.
Remove Duplicates
QuickNote-T
Requires Restart
A note taking extension with advanced features.
Only QuickNote is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.
Open Google Tasks
White Screen
Use white screen test to detect dead pixels, stuck pixels, and other display defects.
Black Screen
Use black screen test to detect dead pixels, stuck pixels, and other display defects.
FileLink provider for WebDAV
Featured
Uploads your large attachments to your WebDAV account instead of sending them by email.
Google Keep - Quick Access
Quick Access to Google Keep in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
To create your own collections, you must have a Mozilla Add-ons account.
