by Stephan Kleiber

52 Add-ons in this Collection

Lightning by Mozilla Calendar Project

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.

Password Exporter by Justin Scott (fligtar), Jorge Villalobos

Rated 4 out of 5 stars 355 reviews

212,071 users

This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.

Clippings by AE Creations

Rated 4 out of 5 stars 187 reviews

36,753 users

Save frequently-entered text for pasting later.

LookOut by Aron Rubin

Rated 4 out of 5 stars 150 reviews

231,096 users

LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).

FoxClocks by Andy McDonald

Rated 4 out of 5 stars 327 reviews

65,560 users

FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.

Toolbar Buttons by Michael B.

Rated 4 out of 5 stars 328 reviews

118,407 users

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

Quicktext by WizKid, R Kent James

Rated 4 out of 5 stars 332 reviews

101,965 users

Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.

Mail Redirect by Pawel Krzesniak, Onno Ekker

Rated 4 out of 5 stars 130 reviews

40,300 users

Allow to redirect (a.k.a. "remail") mail messages to other recipients.

QuickFolders (Tabbed Folders) by Realraven (Axel Grude), Alexander Malfait

Rated 5 out of 5 stars 115 reviews

27,171 users

The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.

See new mail at a glance after automatic filtering - supports quickFilters addon!

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 181 reviews

95,077 users

Switch the signature on/off or choose a new one from your predefined set...

AttachmentExtractor by Andrew Williamson

Rated 4 out of 5 stars 176 reviews

41,193 users

Extracts all attachments from selected messages and then can delete, detach or mark-read.

AutoAuth by Christopher Finke

Rated 4 out of 5 stars 48 reviews

11,386 users

AutoAuth automatically submits HTTP authentication dialogs when you’ve chosen to have the browser save your login information.

Display Mail User Agent by Jürgen Ernst

Displays icon for user agent of received mails.

Folderpane Tools by chuonthis, Philip Chee

Rated 4 out of 5 stars 122 reviews

36,534 users

Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.

Tag Toolbar by H.Ogi

Rated 4 out of 5 stars 47 reviews

19,531 users

Add toolbar for toggling tags.
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