Extensões mais populares

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DOM Inspector Requer reinicialização

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Avaliado em 5 de 5 estrelas (78)
19.849 usuários

ChatZilla Requer reinicialização

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

Avaliado em 4 de 5 estrelas (150)
19.373 usuários

ImportExportTools Requer reinicialização

Adds some tools to import and export folders and messages

Avaliado em 4 de 5 estrelas (248)
16.843 usuários

Redirecionar mensagem (Mail Redirect) Requer reinicialização

Permite redirecionar ("remail") mensagens de e-mail a outros destinatários.

Avaliado em 4 de 5 estrelas (144)
4.650 usuários

LookOut Requer reinicialização

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).

Avaliado em 4 de 5 estrelas (157)
2.340 usuários

MinimizeToTray revived Requer reinicialização

Minimizes windows into the system tray.

Avaliado em 4 de 5 estrelas (395)
1.924 usuários

FireTray Requer reinicialização

A system tray extension for Linux and Windows, allowing to set up custom icon, hiding to tray instead of closing, display the number of unread messages in mailing applications, and other features ...

Avaliado em 4 de 5 estrelas (289)
1.908 usuários

JavaScript Debugger Requer reinicialização

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

Avaliado em 4 de 5 estrelas (52)
1.810 usuários

MinimizeToTray Reanimated Requer reinicialização

MinimizeToTray Reanimated is an application mainly dedicated to Thunderbird to allow its minimization in the systray in one click. It is the update of MinimizeToTray Revived, which is not maintained anymore since the recent versions of Thunderbird.

Avaliado em 4 de 5 estrelas (140)
1.450 usuários

Join-NG Requer reinicialização

Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".

Avaliado em 5 de 5 estrelas (5)
1.085 usuários

FlashGot Mass Downloader Requer reinicialização Em destaque

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.

Avaliado em 5 de 5 estrelas (891)
824 usuários

True Full Screen in SeaMonkey

This extension enables true full screen mode in SeaMonkey for HTML5 video players, slide-shows, etc. and also for full screen invoked manually with the F11 key.

Avaliado em 5 de 5 estrelas (17)
608 usuários

Toolbar Buttons

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.

Avaliado em 4 de 5 estrelas (372)
601 usuários

Awesome Auto Archive

Automatically do Archive/Copy/Delete/Move actions based on user defined rules

Avaliado em 4 de 5 estrelas (46)
547 usuários

Element Hiding Helper for Adblock Plus

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Avaliado em 5 de 5 estrelas (473)
539 usuários

PDF Viewer for SeaMonkey

A fork of PDF.js with support for SeaMonkey 2.49.x.

Avaliado em 5 de 5 estrelas (3)
490 usuários

SeaTab-X-2 Requer reinicialização

Adds Firefox-style tab closers into SeaMonkey.

Avaliado em 5 de 5 estrelas (22)
467 usuários

DownThemAll! Em destaque

The first and only download manager/accelerator built inside Firefox!

Avaliado em 4 de 5 estrelas (2.898)
453 usuários

Disable Add-on Compatibility Checks

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

Avaliado em 4 de 5 estrelas (121)
440 usuários

Folderpane Tools Requer reinicialização

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

Avaliado em 3 de 5 estrelas (125)
437 usuários