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Previous Colors

Quickly choose one of the previously selected colors for a message text

Rated 5 out of 5 stars (8)
1,723 users

Next Unread Thread (Mark All Read)

Adds a Thread button, marks current thread or conversation as read and moves to the next unread message

Rated 5 out of 5 stars (4)
121 users

Transfer Immunity

Transfer Immunity is a fast and secure add-on and SaaS service for sharing and transferring files. This high-fidelity, SaaS-based platform allows users to send large files to different destinations as attachments with emails.

Not yet rated
18 users

Kazakh (kk) Language Pack

Kazakh (kk) Language Pack

Not yet rated
13,593 users

Spam Scores

Displays spam scores according to mail headers. Supports spam/ham score headers of Rspamd, SpamAssassin and MailScanner. The add-on adds a column with the overall spam score to the mail list view and shows details of any matched spam/ham rule.

Rated 4 out of 5 stars (18)
1,822 users

Thai (th) Language Pack

Thai (th) Language Pack

Not yet rated
12,211 users

Ukrainian (uk) Language Pack

Ukrainian (uk) Language Pack

Rated 5 out of 5 stars (1)
21,898 users

Safe Links Cleaner

Clean up the display of links rewritten by Microsoft ATP Safe Links when reading and composing mail, so the original links can easily be viewed and copied, while retaining the rewritten addresses as the actual target of all links.

Rated 4 out of 5 stars (2)
123 users

To must occur only once

This add-on changes all but the first "to" to "cc" if there are multiple "to" when replying to an email.

Rated 5 out of 5 stars (1)
24 users

smartCompose

A smart Plugin which provides functionalities to compose emails.

Not yet rated
6 users

New Tab

It's Open New Tab Within ThunderBird

Rated 5 out of 5 stars (4)
102 users

Skiff Mail

Integrates a Skiff Mail button into the Spaces toolbar. It opens the Skiff Mail website in a new tab.

Not yet rated
11 users

Dino Game

Play the Dino game from Google Chrome and challenge friends to beat your score.

Rated 5 out of 5 stars (1)
11 users

Hawk (Like ChatGPT in your emails)

Hawk for Thunderbird is an AI-powered plugin designed to generate clear and personalized emails, translate content, fix grammar errors, and streamline your email communication workflow.

Rated 5 out of 5 stars (2)
273 users

10ten Japanese Reader (Rikaichamp)

Look up Japanese words with the hover of a mouse.

After enabling the add-on from the toolbar (or press Alt+R) simply hover over Japanese text and a popup displays corresponding dictionary definitions.

Rated 5 out of 5 stars (4)
214 users

Minimize on startup

Minimize thunderbird window on startup!

Rated 4 out of 5 stars (8)
5,280 users

Telegram - Quick Access

Quick Access to Telegram Web in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Rated 5 out of 5 stars (2)
168 users

Google Calendar - Quick Access

Quick Access to Google Calendar in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Rated 5 out of 5 stars (1)
1,309 users

Bard - Quick Access

Quick Access to Google Bard (new name Gemini) in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Not yet rated
18 users

MyTickets

Extension to mails that have TicketID: XXXX in Subject
It will Check to see if you have a "MyFolders" folder under your INBOX.
If yes it will create two child folders:
- Open
- Closed
IT will sync All Open Folder every 5 minutes

Not yet rated
13 users