Miscellaneous

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Free Memory Button No Restart

Free unused memory that Firefox is currently using.

Rated 5 out of 5 stars (2)
3,541 users

elevenia

Instant access to your online shopping paradise. The more transaction you've made from our extension, the more point-cashback you'll get!

Rated 5 out of 5 stars (1)
2,374 users

Music World Anonymous Quick Button

A quick button link to MusicWorldAnonymous.com. Music World Anonymous is a site about helping bands find fans for free!

Rated 5 out of 5 stars (1)
3,471 users

Hide Menubar

Supports to hide Menu Bar automatically, you can press the ALT key to show it temporarily.

Rated 4 out of 5 stars (333)
8,955 users

GPO support For Firefox and Thunderbird No Restart

Firefox and Thunderbird extension to manage user preferences and user profile CA certificates using GPOs

Rated 4 out of 5 stars (4)
4,414 users

Address bulk copy (アドレス一括コピー)

Thunderbird は Outlook のようにアドレス全選択からの「一括コピー」ができません。
それを実現するためのアドオンです。

Rated 5 out of 5 stars (2)
1,292 users

Restart

"Restart" menu and button, with configurable shortcut key.

Rated 5 out of 5 stars (37)
13,097 users

Outgoing Message Format

Set the default outgoing message format to Auto-Detect, Plain Text Only, Rich Text (HTML) or Plain and Rich (HTML) Text.

Rated 4 out of 5 stars (11)
2,710 users

Addons Recent Updates

Show more addons recent updates

Rated 5 out of 5 stars (9)
1,848 users

Address Close Button

Adds a Address Close Button to mail compose window.

Rated 5 out of 5 stars (25)
10,116 users

WebDAV for Filelink

Adds the possibility to use a WebDAV store for Filelink. With this extension you can link attachments to a WebDAV service, for example as provided by Apache's mod_dav or some public services.

Rated 4 out of 5 stars (17)
1,744 users

withAttach

This extension adds a menu option (and a toolbar button) to compose an email "with attachments"...

Rated 4 out of 5 stars (14)
5,444 users

ownCloud for Filelink

Add ownCloud support to Thunderbird's filelink feature.

Rated 5 out of 5 stars (6)
1,518 users

ThunderKeep

Google Keep for Thunderbird

Rated 4 out of 5 stars (5)
1,205 users

BlunderDelay

Thunderbird Extension: AutoSend Unsent Messages. Flushes entire outbox at regular intervals.

Rated 4 out of 5 stars (13)
1,444 users

Blinking Alert

Adds blink feature to the new-mail alert.
You can also disable auto-hiding of the alert.

Rated 4 out of 5 stars (27)
12,072 users

Auto Compress File

Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).

Rated 4 out of 5 stars (17)
5,069 users

Tiny JavaScript Debugger

TinyJSD is a JavaScript debugger for privileged code running Mozilla products like Firefox, Thunderbird, SeaMonkey. It serves to debug the application as well as extensions written in JavaScript.

Rated 4 out of 5 stars (5)
33,637 users

Follow Up

This add-on provides a follow-up email feature for Thunderbird.

Rated 3 out of 5 stars (20)
1,761 users

Send Filter

This add-on allows you run your message filters automatically on outgoing messages after sending. In other words, it's a outgoing filter for thunderbird and seamonkey.

Rated 4 out of 5 stars (38)
5,461 users