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

Featured Extensions

Subscribe

Japanese Tattoo Featured

Colors and accent adjusted

Rated 5 out of 5 stars (82)
1,986 users

Download Now

Thunderbird Suave Featured

Rated 4 out of 5 stars (37)
19,633 users

Download Now

Fresh Green Leaves Featured

Rated 5 out of 5 stars (60)
4,430 users

Download Now

Dark Fox Featured

My dark version of the Firefox logo.

Rated 5 out of 5 stars (603)
14,670 users

Download Now

Airmail Featured

Rated 4 out of 5 stars (14)
2,441 users

Download Now

Blur (violet, orange, green) Featured

Blur, violet, orange, green.

Rated 4 out of 5 stars (7)
1,436 users

Download Now

Two little birds Featured

Rated 5 out of 5 stars (121)
21,586 users

Download Now