14 Add-ons in this Collection
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
TT DeepDark by steva
Smooth dark theme for Thunderbird
• Beta version available here
True "Send Later" functionality to schedule the time for sending an email.
This extension will display the current status of your IMAP quota in thunderbird's statusbar and will warn you when you reach a configurable limit...
Displays icon for user agent of received mails.
Toggle Firefox's built-in private browsing mode with a toolbar or status bar button. You can also toggle Firefox to auto-start in private browsing mode.
Zoom in, zoom out, and reset zoom with one toolbar button. Works in the Compose window too.
Add Firedrive support to Thunderbird's Filelink feature.
Forces all/any toolbar button icons to be displayed at 38x38 pixels (instead of the default 20x20 pixels). Small icons are displayed at their default size. Works with nearly all themes.
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