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Greasemonkey Em destaque

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Avaliado em 4 de 5 estrelas (867)
1.623.557 utilizadores

Flashblock

Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...

Avaliado em 4 de 5 estrelas (885)
971.773 utilizadores

EPUBReader Em destaque

Com o EPUBReader pode ler ficheiros ePub files usando o Firefox. Não é necessário qualquer programa adicional!

Avaliado em 5 de 5 estrelas (134)
472.546 utilizadores

Garmin Communicator

The Garmin Communicator is an internet browser plugin that allows you to easily transfer data between websites and Garmin GPS devices.

Avaliado em 3 de 5 estrelas (22)
321.179 utilizadores

Session Manager Sem reínicio Em destaque

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Avaliado em 4 de 5 estrelas (443)
268.578 utilizadores

PDF Viewer Sem reínicio

PDF.js brings Portable Document Format (PDF) reading capabilities to your browser using web standard technologies.

Please report issues to: https://github.com/mozilla/pdf.js/issues

Avaliado em 4 de 5 estrelas (217)
188.548 utilizadores

Memory Fox

Attempting to reduce both Browser and Flash RAM Memory usage. Memory Fox will promote the increase of available RAM memories for other application processes. Hopefully, fostering any attempts of Memory Recovery and Retention.

Avaliado em 4 de 5 estrelas (260)
156.046 utilizadores

YouTube Center Sem reínicio

YouTube Center contains all kind of different useful functions which makes your visit on YouTube much more entertaining.

Avaliado em 4 de 5 estrelas (196)
130.131 utilizadores

Add-on Compatibility Reporter Sem reínicio

Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.

Avaliado em 4 de 5 estrelas (193)
123.806 utilizadores

wmlbrowser

Simulate WAP browsing by viewing WML (Wireless Markup Language) pages.

Avaliado em 4 de 5 estrelas (26)
113.340 utilizadores

UnMHT Sem reínicio

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Avaliado em 5 de 5 estrelas (184)
89.175 utilizadores

Mozilla Firefox hotfix Sem reínicio

This official add-on enables Firefox to provide quick fixes for selected issues.

Avaliado em 5 de 5 estrelas (1)
80.964 utilizadores

Low Quality Flash

Sets Flash objects to "Low Quality" to improve performance on slower platforms (i.e. older computers, netbooks, and Firefox Mobile).

Avaliado em 4 de 5 estrelas (39)
80.839 utilizadores

LeechBlock Em destaque

LeechBlock is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.

Avaliado em 5 de 5 estrelas (417)
76.511 utilizadores

Translate This! Sem reínicio

Translate the whole entire page or just a selection using Google Translate.

Avaliado em 4 de 5 estrelas (62)
74.829 utilizadores

Save as PDF

Lets you download web pages as PDF in one click.

Avaliado em 3 de 5 estrelas (88)
69.833 utilizadores

Secure Login Em destaque

Secure Login is an extension for Firefox integrated password manager.

Avaliado em 4 de 5 estrelas (282)
67.040 utilizadores

Disable Add-on Compatibility Checks Sem reínicio

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

Avaliado em 4 de 5 estrelas (82)
59.017 utilizadores

Nightly Tester Tools

Useful tools for the nightly tester.

Avaliado em 4 de 5 estrelas (182)
55.319 utilizadores

Image Block Em destaque

Image Block adds a toggle button that conditionally blocks/allows loading of images on webpages. Blocking images results in faster browsing, especially helpful on handheld devices or slower connections like GSM/GPRS/EDGE dial-up etc.

Avaliado em 4 de 5 estrelas (107)
49.173 utilizadores