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Add extra features and styles to make Thunderbird your own.

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Featured Extensions

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Japanese Tattoo Featured

Colors and accent adjusted

Rated 5 out of 5 stars (81)
1,467 users

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Two little birds Featured

Rated 5 out of 5 stars (117)
19,936 users

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Blur (violet, orange, green) Featured

Blur, violet, orange, green.

Rated 4 out of 5 stars (5)
1,222 users

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Fresh Green Leaves Featured

Rated 5 out of 5 stars (59)
3,407 users

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Thunderbird Suave Featured

Rated 4 out of 5 stars (32)
19,194 users

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Airmail Featured

Rated 4 out of 5 stars (13)
1,868 users

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Dark Fox Featured

My dark version of the Firefox logo.

Rated 5 out of 5 stars (600)
20,995 users

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