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)
19,056 users

Download Now

Airmail Featured

Rated 4 out of 5 stars (19)
1,946 users

Download Now

Blur (violet, orange, green) Featured

Blur, violet, orange, green.

Rated 4 out of 5 stars (9)
1,090 users

Download Now

Thunderbird Suave Featured

Rated 4 out of 5 stars (49)
28,061 users

Download Now

Fresh Green Leaves Featured

Rated 5 out of 5 stars (67)
4,405 users

Download Now

Japanese Tattoo Featured

Colors and accent adjusted

Rated 5 out of 5 stars (84)
1,651 users

Download Now

Two little birds Featured

Rated 5 out of 5 stars (130)
25,828 users

Download Now