Register or Log in
Other Applications

Add-ons

Extensions
Themes
- Most Popular
- Top Rated
- Newest
- Abstract
- Causes
- Fashion
- Film and TV
- Holiday
- Music
- Nature
- Other
- Scenery
- Seasonal
- Solid
- Sports
- Websites
Want more customization? Try Complete Themes
Collections
More…

Welcome to Thunderbird Add-ons.

Add extra features and styles to make Thunderbird your own.

Close

On the go?

Check out our Mobile Add-ons site.

Close

Explore

Featured
Most Popular
Top Rated

Categories

Scenery
Seasonal
Fashion
Nature
Abstract
Causes
Film and TV
Solid
Websites
Sports
Other
Music
Holiday

Other

Subscribe

Sort by:

Featured
Most Users
Top Rated
Newest
More

Thunderbird Suave Featured

Rated 4 out of 5 stars (46)

31,648 users

Dark Fox Featured

My dark version of the Firefox logo.

Rated 5 out of 5 stars (610)

21,282 users

To create your own collections, you must have a Mozilla Add-ons account.

Create an Add-ons Account

or log in to your current account

get to know add-ons
About
Blog
Developer Hub
Forum

Other languages

Privacy Policy | Report Trademark or Copyright Infringement | Legal Notices | Report Misuse of Thunderbird Trademark | Report a bug

Except where otherwise noted, content on this site is licensed under the
Creative Commons Attribution Share-Alike License v3.0 or any later version.