Extensões mais populares


NoScript Security Suite Requer Reinicialização

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Avaliado em 5 de 5 estrelas (1.583)
2.129.517 usuários

LastPass Password Manager Requer Reinicialização

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Avaliado em 4 de 5 estrelas (1.393)
722.874 usuários

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 (70)
118.866 usuários

wmlbrowser Requer Reinicialização

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

Avaliado em 4 de 5 estrelas (32)
69.803 usuários

URL Fixer Plus RU and UA Requer Reinicialização

Extended URL Fixer for RU and UA

Avaliado em 4 de 5 estrelas (20)
67.699 usuários

Low Quality Flash Requer Reinicialização

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 (50)
57.131 usuários


Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

Avaliado em 5 de 5 estrelas (71)
48.441 usuários

Clean Links

Converts obfuscated or nested links to genuine clean links.

Eg: http://somesite.com/?to=www.example.comhttp://www.example.com/

Avaliado em 5 de 5 estrelas (111)
43.201 usuários

Disable Add-on Compatibility Checks

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

Avaliado em 4 de 5 estrelas (107)
37.310 usuários

AutoPager Requer Reinicialização

AutoPager automatically loads next pages when you reach the end of a page. It works on a ton of sites,Google,Yahoo..
It works well with most other add-ons adblock plus, WOT and most of the greasemonkey scripts.
You can also try AutoPagerLite.

Avaliado em 4 de 5 estrelas (408)
36.186 usuários

MR Tech Toolkit Requer Reinicialização

(Formerly Local Install) The primary goal of this extension is to provide the tools needed to install and manage extensions and themes locally and tons of other features.

Note: With Toolkit 6.0 Auto Archiving is fully working in Firefox 2.0 and temp...

Avaliado em 4 de 5 estrelas (143)
28.864 usuários

Restartless Restart

This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.

Avaliado em 4 de 5 estrelas (216)
23.047 usuários

Phony Em destaque

View mobile or desktop versions of sites, by impersonating other browsers' useragent headers.

Avaliado em 4 de 5 estrelas (94)
21.235 usuários

Copy As Plain Text Requer Reinicialização

Removes formatting from copied text.

Avaliado em 4 de 5 estrelas (59)
19.648 usuários

AntiGameOrigin v6

AntiGameOrigin - the other OGame experience for all communities.

Avaliado em 5 de 5 estrelas (4)
12.020 usuários

AutoPager Fixed Requer Reinicialização

AutoPager Fixed is a working version of AutoPager extension for Firefox 36+ (non-E10s mode) to autoload the next page(s) when you scroll pages.


Avaliado em 4 de 5 estrelas (61)
11.884 usuários

URL Fixer Em destaque

URL Fixer fixes common typos in URLs entered in the address bar. It will fix errors like "google.con" or "youtube,com". You have the option of being asked to confirm corrections before they are applied.

Avaliado em 4 de 5 estrelas (108)
11.357 usuários

Instagram Video Download

Download videos from Instagram (and as plus, easily save photos).

Avaliado em 4 de 5 estrelas (10)
10.418 usuários

AutoAuth Requer Reinicialização

AutoAuth automatically submits HTTP authentication dialogs when you’ve chosen to have the browser save your login information.

Avaliado em 4 de 5 estrelas (48)
10.292 usuários

Shareaholic | share with Google, Facebook and more Requer Reinicialização

Shareaholic is the easiest way to share & bookmark great content from anywhere on the web from one simple ALL-IN-ONE add-on. Works with Facebook, Twitter, Pinterest, Google, LinkedIn, E-mail and 200+ additional services.

Avaliado em 4 de 5 estrelas (269)
9.176 usuários