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Addons Manager Hilite

Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Version 3.0 also includes sorting buttons. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.

Rated 5 out of 5 stars (19)

1 user

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AVIM Requires Restart

Vietnamese-language input method editor (IME). Type diacritics directly into any Web page, Web app, or dialog box. Convenient, comprehensive, secure.
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Bộ gõ tiếng Việt cho phép đặt dấu trực tiếp vào bất kỳ trang Web, ứng dụng Web, hộp thoại.

Rated 5 out of 5 stars (41)

1 user

No Small Text

Set a minimum text size for all web content. Use the toolbar button to switch it on and off. NEW: Three preset sizes. NEW: Use mouse scroll on the toolbar button.

Rated 4 out of 5 stars (21)

24 users

GmailOutOfOffice Requires Restart

Out of Office for Gmail

This add-on allows you to set an out of office auto-responder in your gmail account. It adds a button in the toolbar customization list.

Rated 3 out of 5 stars (2)

2 users

InfoNotary Configurator for Mozilla Requires Restart

Configures Mozilla for work with certificates issued by InfoNotary Plc.

Rated 3 out of 5 stars (4)

1 user

tzpush Requires Restart

Z-Sync to Thunderbird Addressbook
Will sync Thunderbird address book to Zentyal, Zarafa, Horde and outlook.com/hotmail.

Rated 4 out of 5 stars (20)

6 users

Hindi Spell Checker

This is a real time spell checker for Hindi, supported on Firefox,
Thunderbird, and Seamonkey.

Not yet rated

142 users

Latin Dictionary

Latin dictionary

Rated 5 out of 5 stars (8)

323 users

Silent Block

Minimum and fast URL blocker.

Rated 4 out of 5 stars (31)

75 users

Customizations for Adblock Plus

This extension provides various customization options for the Adblock Plus user interface.

Rated 5 out of 5 stars (15)

81 users

Stego Block Requires Restart

Embeds a small secondary, encrypted message in an email, known as a Stego Block.

Rated 4 out of 5 stars (1)

0 users

Download for Linux Download for Mac OS X Download for Windows

QuickPasswords Requires Restart

Retrieve your Passwords the quick way! Never retype or display your secure passwords on screen anymore - put the password where you need it - the login form or the clipboard.

Now also includes SSO change (multi-domain pw) and Backup + Restore.

Rated 5 out of 5 stars (53)

33 users

DL for Thunderbird Requires Restart

Allows to convert large attachments to links automatically without 3rd party providers.

Rated 5 out of 5 stars (7)

61 users

ThunderBirthDay Requires Restart

Display birthdays from the Thunderbird addressbooks as events in Lightning.

Rated 4 out of 5 stars (97)

199 users

CuteButtons

Adds icons to buttons and/or menus.

Rated 4 out of 5 stars (95)

60 users

Hebrew spell-checking dictionary (from HSpell)

Hebrew spell-checking dictionary for Firefox and Thunderbird. Generated from data of the HSpell project version 1.4, and distributed freely under the AGPLv3.

Rated 4 out of 5 stars (20)

735 users

Use Bcc Instead Requires Restart

Sorry but this addon is no longer supported in TB 60. See below.
Who among us has not made the mistake of sending a 'broadcast' email to a large number of recipients without using BCC; thereby revealing everyone's email addresses to all?

Rated 5 out of 5 stars (31)

51 users

Perfect View

Image viewer with smooth dynamic zoom, pan and rotate. View slide shows of images or files and capture page elements and tab content. Apply image filters. Save images in various formats.

Rated 4 out of 5 stars (15)

13 users

Unified Search Requires Restart

Unify the global search box and the quick filter box in a new widget (the 'Unified Search Widget') with all filter and search capabilities at once.

Rated 4 out of 5 stars (28)

14 users

Subject Manager Requires Restart

Manages subject of composed emails.

Rated 5 out of 5 stars (27)

96 users