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

Fresh Green Leaves Featured

Rated 5 out of 5 stars (65)
4 655 users

Download Now

Dark Fox Featured

My dark version of the Firefox logo.

Rated 5 out of 5 stars (610)
18 794 users

Download Now

Airmail Featured

Rated 4 out of 5 stars (17)
2 180 users

Download Now

Japanese Tattoo Featured

Colors and accent adjusted

Rated 5 out of 5 stars (84)
1 846 users

Download Now

Blur (violet, orange, green) Featured

Blur, violet, orange, green.

Rated 4 out of 5 stars (8)
1 202 users

Download Now

Two little birds Featured

Rated 5 out of 5 stars (127)
26 207 users

Download Now

Thunderbird Suave Featured

Rated 4 out of 5 stars (45)
27 123 users

Download Now