Thinner and Slimmer :: Collections :: Add-ons for Thunderbird

Thinner and Slimmer

Everything that allows you to make Firefox thinner and slimmer so that not a single pixel is wasted.

Works with Thunderbird 31.0a1 - 53.0
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Rated 4 out of 5 stars 9 reviews

13 users

A small and simple extension, which replaces the curved tabs of the Australis design with squared ones, similar to Thunderbird v14 and prior.

Works with Thunderbird 5.0 - 38.*
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Rated 4 out of 5 stars 14 reviews

3 users

Extremely thin tabs optimized for the squared variants of Classic Theme Restorer.

Please see description for updates!

Collections are groups of related add-ons that anyone can create and share.