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

Thunderbird Suave Featured

Rated 4 out of 5 stars (42)
24,874 users

Download Now

Two little birds Featured

Rated 5 out of 5 stars (125)
27,400 users

Download Now

Blur (violet, orange, green) Featured

Blur, violet, orange, green.

Rated 4 out of 5 stars (8)
1,224 users

Download Now

Fresh Green Leaves Featured

Rated 5 out of 5 stars (65)
4,522 users

Download Now

Airmail Featured

Rated 4 out of 5 stars (17)
2,203 users

Download Now

Dark Fox Featured

My dark version of the Firefox logo.

Rated 5 out of 5 stars (607)
17,987 users

Download Now

Japanese Tattoo Featured

Colors and accent adjusted

Rated 5 out of 5 stars (84)
1,783 users

Download Now