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Dark Reader
Dark mode for every email. Take care of your eyes, use dark theme for night and daily messaging.
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!
Mark GMail Read
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.
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
Next Unread Group (Mark All Read)
Adds a Group button, marks current newsgroup or folder as read and moves to the next unread message
Threaded List Switch
Add contact to CC by mentioning in body with @
Use @ to mention somebody on an email to link and add to the CC.
AutoBucket
This is an extension function that classifies emails into multiple buckets using AI(the Bayesian filter) and tags them.
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*Open With is no longer maintained.*
Tomba : Email Finder
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.
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
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.
ThunderFWD
Night and Day Dynamic
A theme that switches between sun and moon based on time of day.
This is the canonical example dynamic theme published by Mozilla: https://github.com/mdn/webextensions-examples/tree/master/dynamic-theme
To create your own collections, you must have a Mozilla Add-ons account.
