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Signature sync for Gmail
This extension allows you to automatically use your signature from Gmail accounts in Thunderbird. No longer need to maintain two separated signatures!
Message Mover
This add-on lets you move messages from a specific folder (and sub-folders) to a new folder.
Tomba : Email Finder
✨ Awesome Emoji Picker ✨
Modern, nice emoji picker that you can use to find and select emojis. It will be copied to your clipboard or even directly inserted into the e-mail, when you click on it.
You will certainly like it.
Lojban spell check dictionary
AutoMover
GMail Labels
Shows GMail labels in each message's headers panel. When using Thunderbird with a Gmail account, it is not possible to guess which Gmail labels a message was applied (and in which folders it can be found). This extension provides this information
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.
Just Verify It
Just Verify It is a Thunderbird add-on that automates the scanning of email attachments with VirusTotal for malware. With over 50 antivirus engines, it provides reliable and quick results, ensuring the safety of your digital assets.
Simple Startup Minimizer
This extension will minimize Thunderbird on startup, it is very simple and I didn't put much work into it but it should work on all platforms. Please let me know if you want more features added into it.
Smileyfixer
EagleCloud Extension
Works along with EagleCloud Information Security product to secure sensitive information based on company policy.
FDK KIM Plugin
Dieses Plugin setzt automatisch die KIM-Header und den Betreff passend zu ihrem Anhang.
Anhängen werden analysiert und falls genau eine valide p7s Datei erkannt wird, werden die entsprechenden Daten automatisch gesetzt.
Mark GMail Read
Zivver for Thunderbird
This extension automatically detects Zivver messages and decrypts them on-the-fly using the Zivver API. Messages are decrypted only when actively displayed by the user and are never stored locally.
ProtonMail Encryption Status
When using ProtonMail Bridge to integrate Mozilla Thunderbird withProtonMail, it's not easy to tell which emails were end-to-end (E2E) encrypted. This add-on puts an icon in the toolbar above every message to show you its encryption status.
ThunderFWD
Next Unread Group (Mark All Read)
Adds a Group button, marks current newsgroup or folder as read and moves to the next unread message
To create your own collections, you must have a Mozilla Add-ons account.
