Up & Coming Extensions

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Don't Send Linked Files

Prevents sending of linked files if they are file: URLs.

Rated 1 out of 5 stars (1)
20 users

Patch to Alert Invalid Addresses

Shows alert if there is any invalid address in sending message.

Rated 1 out of 5 stars (1)
84 users

Hyperactive No Restart

Scans hyperlinks in composed messages and alerts if one of the hyperlinks is broken.

Rated 4 out of 5 stars (1)
19 users

Chat RTL

Fixing the Chat so it would support RTL languages (i.e. Hebrew, Arabic) better.

Not yet rated
60 users

Reject Button 1.0

Annoyed by receiving mails with missing or wrong subjects or meaningless message bodies? Simply reject them with the Reject Button Add-On and enforce proper e-mail etiquette at the cost of just a few friendships.

Rated 3 out of 5 stars (3)
54 users

ALL To CC BCC

送信先アドレスのすべてをTo、CC、BCCに変更するボタンです。
メール作成画面の、件名の下に追加されます。

Rated 4 out of 5 stars (1)
824 users

Hide C. Titlebar Plus Lite

* "Maximize your content space by configuring Title-bar & floating main-menu".
* Configurable "Thunderbird" application-main-button at top-left corner!, like Firefox's one. (see sshots)
* "Close Current Tab"! as configurable Close-button action.

Rated 5 out of 5 stars (17)
643 users

Rikaichan Japanese-Russian Dictionary File

A dictionary file for Rikaichan.

Not yet rated
869 users

NetscapeCommunicator 4.x Account Settings Migrator

Provies ability to migrates account settings and preferences from NC4.x profiles.

Not yet rated
61 users

Security Settings from Address Book

Sets message security (sign/encrypt) when sending or saving messages based on recipients' address book entry's field "Custom1".

Rated 5 out of 5 stars (2)
386 users

Yandex.Metrika for Thunderbird

Go to the reports of Yandex.Metrika

Not yet rated
8 users

ePhotoUploader

ePhoto Uploader is a Mozilla/Firefox addon to allow you to upload any image on websites you're browsing to your ePhotoBay account by just one click. For the addon to work a free ePhotoBay account is required.

Rated 1 out of 5 stars (2)
175 users

AttachExtraTools

This extension gives more options and tools to attach files from compose window.

Rated 5 out of 5 stars (3)
885 users

Hide Horizontal Scrollbar

Hides the unnecessary horizontal scrollbar in wide layout view.

Rated 5 out of 5 stars (1)
23 users

backupMail

export an e-mail to selected folder as .eml format.

Rated 3 out of 5 stars (2)
455 users

3e Calendar

Adds support for 3e calendars

Rated 1 out of 5 stars (1)
541 users

PasteHyperlink

Paste the clipboard contents into the selected text as a hyperlink.

Rated 4 out of 5 stars (3)
541 users

Tag Sequence

allow you to change the tag sequence, hence change keyboard shortcuts

Rated 4 out of 5 stars (3)
201 users

SmartFilters

Tired of writing a lot of filters? Install SmartFilters now to organise your mailbox automatically. It can sort out your mailing lists and robot emails.

Rated 3 out of 5 stars (3)
262 users

LastColour

Colour your text to the "last-picked" colour you chose in the colour-picker. Now you don't have to use the colour picker every time.

Rated 4 out of 5 stars (3)
297 users