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Greasemonkey Vereist herstart Aanbevolen

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

Waardering 4 van 5 sterren (1.018)
1.169.615 gebruikers

Flashblock Vereist herstart

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...

Waardering 4 van 5 sterren (1.226)
500.179 gebruikers

Garmin Communicator Vereist herstart

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

Waardering 2 van 5 sterren (35)
444.246 gebruikers

EPUBReader Vereist herstart

With EPUBReader you can read ePub files just in Firefox. No additional software needed!

Waardering 5 van 5 sterren (185)
397.005 gebruikers

Mozilla Firefox hotfix

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

Waardering 2 van 5 sterren (10)
340.291 gebruikers

Session Manager

Session Manager slaat de status van alle vensters op, en stelt u in staat ze te herstellen.

Waardering 4 van 5 sterren (503)
282.737 gebruikers

Add-ons Manager Context Menu Vereist herstart

Add more items to Add-ons Manager context menu.

Waardering 5 van 5 sterren (37)
126.621 gebruikers

Hoxx VPN Proxy

Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.

Waardering 5 van 5 sterren (1.481)
122.214 gebruikers

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.

Waardering 4 van 5 sterren (329)
106.762 gebruikers

Legacy Test Pilot (Outdated)

The legacy Test Pilot program has been replaced, and this add-on is no longer useful. If you're interested in testing new features in Firefox please join the new program at https://testpilot.firefox.com

Waardering 4 van 5 sterren (71)
103.823 gebruikers

UnMHT

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.

Waardering 5 van 5 sterren (232)
92.022 gebruikers

Translate This!

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

Waardering 3 van 5 sterren (106)
85.878 gebruikers

Save as PDF Vereist herstart

Lets you download web pages as PDF in one click.

Waardering 2 van 5 sterren (141)
81.165 gebruikers

LeechBlock Vereist herstart

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.

Waardering 5 van 5 sterren (652)
76.811 gebruikers

wmlbrowser Vereist herstart

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

Waardering 4 van 5 sterren (32)
65.246 gebruikers

Add-on Compatibility Reporter

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.

Waardering 4 van 5 sterren (200)
65.090 gebruikers

PDF Viewer(discontinued)

THIS ADD-ON IS NO LONGER UPDATED PLEASE USE THE BUILT IN PDF VIEWER.

Waardering 4 van 5 sterren (273)
64.818 gebruikers

Low Quality Flash Vereist herstart

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

Waardering 4 van 5 sterren (52)
51.889 gebruikers

ProfileSwitcher Vereist herstart

It adds some options to launch easily other profiles and the Profile Manager.

Waardering 4 van 5 sterren (95)
49.936 gebruikers

Copy Plain Text 2 Vereist herstart Aanbevolen

Kopieert geselecteerde tekst zonder opmaak.

Waardering 5 van 5 sterren (73)
42.645 gebruikers