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

Two little birds Featured

Rated 5 out of 5 stars (131)
28,170 users

Download Now

Thunderbird Suave Featured

Rated 4 out of 5 stars (52)
30,962 users

Download Now

Blur (violet, orange, green) Featured

Blur, violet, orange, green.

Rated 5 out of 5 stars (10)
932 users

Download Now

Dark Fox Featured

My dark version of the Firefox logo.

Rated 5 out of 5 stars (613)
22,565 users

Download Now

Japanese Tattoo Featured

Colors and accent adjusted

Rated 5 out of 5 stars (84)
1,496 users

Download Now

Fresh Green Leaves Featured

Rated 5 out of 5 stars (67)
4,437 users

Download Now

Airmail Featured

Rated 4 out of 5 stars (19)
1,799 users

Download Now