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 (80)
1,570 users

Download Now

Two little birds Featured

Rated 5 out of 5 stars (112)
15,412 users

Download Now

Blur (violet, orange, green) Featured

Blur, violet, orange, green.

Rated 5 out of 5 stars (1)
1,562 users

Download Now

Airmail Featured

Rated 5 out of 5 stars (12)
1,968 users

Download Now

Fresh Green Leaves Featured

Rated 5 out of 5 stars (59)
3,383 users

Download Now

Thunderbird Suave Featured

Rated 4 out of 5 stars (27)
17,163 users

Download Now

Dark Fox Featured

My dark version of the Firefox logo.

Rated 5 out of 5 stars (598)
13,202 users

Download Now