Appearance and Customization
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Page Colors & Fonts Buttons
Adds buttons to toggle the using the default page colors and fonts, and the page defined colors and fonts.
Maximize Message Pane
Maximize message pane by collapsing the thread pane. You can read a message in larger area without opening a new message window...
Addon Compatibility Check for TB 102/TB 115
Checks all installed add-ons for compatibility with Thunderbird 102 (or TB 115) and displays status information on a button in the main toolbar. This button will open a detailed overview, including links to alternatives for abandoned add-ons.
Extensor
Quick access to add-on functions from a toolbar panel: Options, (De)Activate, Details, Home page, Review page, Donation page, Uninstall, Restart application.
Simple Startup Minimizer
This extension will minimize Thunderbird on startup, it is very simple and I didn't put much work into it but it should work on all platforms. Please let me know if you want more features added into it.
Mark All Read Button Requires Restart
Adds toolbar buttons to Mark All emails as Read, Mark Thread as Read, and Goto Next Unread Thread.
Thin Tabs
Extremely thin tabs optimized for the squared variants of Classic Theme Restorer.
Please see description for updates!
No need flash plugin on embeded youtube movies
No need flash plugin on embeded youtube movies
Minimize on Close
Causes Thunderbird's main window to minimize instead of closing. You can still close Thunderbird through the menu.
Lightning Colors Reminder Requires Restart
Let's show the calendar color on Lightning reminders!
Link in Tab
Link in Tab allows you to:
- Left click => open link in new tab
- Left double-click => open link in browser
- Middle click => open link in browser and close current tab
Close last tab with middle-click
THIS ADD-ON IS NOW UNNECESSARY FOR FIREFOX 31 AND UP!
Tired of middle-clicking on the last tab in Thunderbird, only to have nothing happen? This add-on embraces the industry-standard middle-click behavior of IE, Chrome, and Firefox (3.6- and 31+).
Window Master
Functionality for multiple screens and windows. Easily open links in other windows or on other screens, move or merge tabs, and move or merge entire windows. With graphical controls for grid positioning.
Zoom Button for Thunderbird Requires Restart
Zoom in, zoom out, and reset zoom with one toolbar button. Works in the Compose window too.
G-Hub Lite
Google Tabs for Thunderbird! G-Hub Lite supports Calendar, Contacts, Drive, Docs, Sheets, Slides, Maps, Search, & Voice. Need Google Workspace support (formerly G Suite)? Check out G-Hub Pro: https://www.schiffner.com/index.php/software/g-hub-pro
To create your own collections, you must have a Mozilla Add-ons account.