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Add extra features and styles to make Thunderbird your own.

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Featured Extensions

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Airmail Featured

Rated 4 out of 5 stars (19)
1,910 users

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Fresh Green Leaves Featured

Rated 5 out of 5 stars (67)
4,736 users

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Blur (violet, orange, green) Featured

Blur, violet, orange, green.

Rated 5 out of 5 stars (10)
1,068 users

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Two little birds Featured

Rated 5 out of 5 stars (131)
29,549 users

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Thunderbird Suave Featured

Rated 4 out of 5 stars (51)
30,429 users

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Dark Fox Featured

My dark version of the Firefox logo.

Rated 5 out of 5 stars (612)
23,638 users

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Japanese Tattoo Featured

Colors and accent adjusted

Rated 5 out of 5 stars (84)
1,722 users

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