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

Dark Fox Featured

My dark version of the Firefox logo.

Rated 5 out of 5 stars (612)
19.074 users

Download Now

Two little birds Featured

Rated 5 out of 5 stars (130)
24.732 users

Download Now

Airmail Featured

Rated 4 out of 5 stars (19)
1.842 users

Download Now

Blur (violet, orange, green) Featured

Blur, violet, orange, green.

Rated 4 out of 5 stars (9)
1.015 users

Download Now

Fresh Green Leaves Featured

Rated 5 out of 5 stars (67)
4.141 users

Download Now

Thunderbird Suave Featured

Rated 4 out of 5 stars (50)
30.159 users

Download Now

Japanese Tattoo Featured

Colors and accent adjusted

Rated 5 out of 5 stars (84)
1.527 users

Download Now