Search

Allow HTML Temp

Allows to have HTML temporarily enabled (and displayed) in the currently selected message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (according to your settings).

Rated 4 out of 5 stars (90)
9,646 users

Download Now

TORPEDO - TOoltip-poweRed Phishing Email DetectiOn

TORPEDO is a tool for recognizing untrustworthy links (phishing). Move the mouse pointer over a link in your email. TORPEDO displays the correct web address in a tooltip and helps you to analyze it.

Rated 5 out of 5 stars (10)
1,837 users

Download Now

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 (6)
580 users

Download Now

regimail

Add-On for sending regimail with Thunderbird on Windows, MacOS and Linux.

Not yet rated
16 users

Download Now

Arcus

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

Rated 5 out of 5 stars (2)
17 users

Download Now

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
1 user

Download Now