Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseReview for Theme Font & Size Changer for ThunderBird by Firefox user 7cab63
Rated 1 out of 5 stars
Your font size on Thunderbird is unusable. Wake up or piss off altogether you bunch of nerds
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