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Enigmail

Helper tool to migrate your keys and important settings from Enigmail to Thunderbird 78.

Rated 4 out of 5 stars (260)
4,324 users

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Paranoia

Check if your emails arrived TLS-encrypted (and which corporations were able to read it nevertheless)

Rated 4 out of 5 stars (16)
717 users

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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.

Rated 5 out of 5 stars (5)
676 users

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Arcus

Modern encryption in Thunderbird - powered by Rust, rage and WebAssembly

Rated 5 out of 5 stars (2)
14 users

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acus

Update 2023: This addon will be replaced by "arcus".

Modern encryption in Thunderbird

** Currently in testing phase **
What you can do:
1. Set your secret key and automatically decrypt emails
2. Generate a new key pair
3. Encrypt plain text

Not yet rated
3 users

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