Add-ons
Newest Extensions
Sort by:
Morpheon Element Theme for Thunderbird
Morpheon Element is a dark theme for Thunderbird built around smooth gradients and authentic skeuomorphic styling. It adds real depth and a premium tactile feel to the browser. Inspired by Morpheon Dark for Google Chrome, Enlightenment, and Zune.
Portagas D. Ace One Piece Theme
Inspired by @gallured
I am big One Piece and ACE Fan
I maked a thunderbird version of a firefox theme, i used since my childhood. the photo used is not mine, if it's yours please give me a valid proof and I'll credit you, thank you :)
Gloomy Cyborg
Dark, neon theme in fiolet and sea-blue, perfect for night gaming and mailing.
Submerged Atlantis
A dark theme in sea-green - for those who are daring enough to deep dive into their mailbox.
Sweet Cranberry
A dark theme in shades of red for those who are sweet all night long.
Lime Orchard
A theme in shades of green - for those who want to hide in lime trees shadow.
Dark Sky
A dark theme in shades of blue for those gazing at the night sky.
Chocolate Cake
An exquisite theme of intense taste for true connoisseurs - in shades of brown.
Autumn Evening
A perfect theme in orange and khaki for reading emails at a late rainy night.
Nord Orange (Thunderbird)
Nord-inspired orange-accent theme for Thunderbird.
MMB TB Light-Gray-Green
Light-gray table-view with green buttons and blue menues.
Rounded buttons and toolbars.
Thunderbird image in upper right corner.
Rel. 2.179: Calendar + Spell-check dialog + Task actions toolbar adjusted.
Rel. 2.197: - for rel. 152.*.
Bird Light Theme (sparrows)
Light theme with a birds in the top-right corner and light OSX toolbar.
Thunderbird Suave Wide
The original Suave theme by aramaicus-1364593947.42 with WIDER image - 5120 pixels wide - to avoid black bars on wide screens - all credits to aramaicus for the original theme - this is just an adjustment to look good on wide screens.
Coral Tide
A modern light Thunderbird theme mixing a pastel navy blue and hot coral. I love this colour combination and I'd been looking for a nice theme that uses something similar and didn't find one so made it myself!
Cute Home
Cute Sky Dream Home Thunderbird Theme
Transform your Thunderbird with the "Cute Home" theme. Featuring a dreamy pastel sky and a whimsical floating house, this theme adds a touch of fantasy to your inbox.
Catppuccin Macchiatio Unofficial
Unofficial Catppuccin Macchiatio Theme based on the colour theme at https://catppuccin.com
Black Sand TH
This is a minimal skin with a nearly solid background and no visual distractions.
To create your own collections, you must have a Mozilla Add-ons account.
