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

Airmail Featured

Rated 4 out of 5 stars (15)
2,222 users

Download Now

Japanese Tattoo Featured

Colors and accent adjusted

Rated 5 out of 5 stars (82)
1,845 users

Download Now

Fresh Green Leaves Featured

Rated 5 out of 5 stars (63)
4,266 users

Download Now

Blur (violet, orange, green) Featured

Blur, violet, orange, green.

Rated 4 out of 5 stars (7)
1,280 users

Download Now

Dark Fox Featured

My dark version of the Firefox logo.

Rated 5 out of 5 stars (604)
13,992 users

Download Now

Thunderbird Suave Featured

Rated 4 out of 5 stars (37)
18,810 users

Download Now

Two little birds Featured

Rated 5 out of 5 stars (122)
20,667 users

Download Now