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Greasemonkey

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

Rated 4 out of 5 stars (856)
76 856 keer afgelaai per week

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...

Rated 4 out of 5 stars (869)
30 075 keer afgelaai per week

EPUBReader Uitgesoek

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

Rated 5 out of 5 stars (129)
18 844 keer afgelaai per week

YouTube Center No Restart

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

Rated 4 out of 5 stars (157)
10 055 keer afgelaai per week

Low Quality Flash

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

Rated 4 out of 5 stars (38)
9 621 keer afgelaai per week

Session Manager No Restart Uitgesoek

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.

Rated 4 out of 5 stars (420)
8 282 keer afgelaai per week

PDF Viewer No Restart

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

Rated 4 out of 5 stars (212)
7 688 keer afgelaai per week

Save as PDF

Lets you download web pages as PDF in one click.

Rated 3 out of 5 stars (81)
5 029 keer afgelaai per week

Image Block Uitgesoek

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.

Rated 4 out of 5 stars (98)
4 924 keer afgelaai per week

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.

Rated 4 out of 5 stars (257)
4 483 keer afgelaai per week

Translate This! No Restart

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

Rated 4 out of 5 stars (59)
4 290 keer afgelaai per week

UnMHT No Restart

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.

Rated 5 out of 5 stars (182)
3 625 keer afgelaai per week

Web2PDF Converter Uitgesoek

Web page to PDF conversion tool

Rated 4 out of 5 stars (77)
3 456 keer afgelaai per week

LeechBlock Uitgesoek

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.

Rated 5 out of 5 stars (396)
3 217 keer afgelaai per week

Proxy Selector

Proxy Selector lets you switch local proxies in Firefox.

Rated 4 out of 5 stars (81)
3 211 keer afgelaai per week

Firefox Personalization Study No Restart

Help Mozilla understand personalization on the Web by installing this optional study add-on.

Rated 3 out of 5 stars (2)
2 808 keer afgelaai per week

Selenium IDE Button

Just one simple toolbar button to open Selenium IDE. You need to have installed Selenium IDE: http://seleniumhq.org/projects/ide/

Rated 5 out of 5 stars (7)
2 411 keer afgelaai per week

Secure Login Uitgesoek

Secure Login is an extension for Firefox integrated password manager.

Rated 4 out of 5 stars (277)
2 331 keer afgelaai per week

Copy Plain Text 2 Uitgesoek

Copies text without formatting

Rated 5 out of 5 stars (37)
2 266 keer afgelaai per week

Free Memory No Restart Uitgesoek

An add-on to perform free-memory operations without visiting about:memory.

Rated 4 out of 5 stars (19)
2 206 keer afgelaai per week