Os meus extras favoritos

by SPEM

99 Add-ons in this Collection

TAW3 with a click by Fundación CTIC

Rated 3 out of 5 stars 2 reviews

471 users

Web Accessibility Test.

You can have an idea, with a single click, of how accesible web sites are.

YouTube Cinema by Hans Ruck

Rated 4 out of 5 stars 13 reviews

309 users

Play YouTube videos in Cinema style.

Fission by zeniko

Rated 4 out of 5 stars 376 reviews

2,183 users

Fission combines address bar and progress bar (Safari style). This makes the progress bar more visible and allows for a nice visual effect.

QuickRestart by Juan Carlos Avila B.

Rated 4 out of 5 stars 123 reviews

805 users

Ever needed to restart Firefox after enabling or disabling an extension, switching to a new theme, or modifying configuration files (such as userChrome.css or user.js)?

This simple extension adds a "Restart Firefox" item to the "File" menu. You can ...

Compatibility Detector for Firefox by jiaofeng

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Experimental

Rated 2 out of 5 stars 3 reviews

62 users

兼容性检查工具

ErrorZilla Mod by Jay Baldwin

Rated 4 out of 5 stars 35 reviews

720 users

Implements a useful error page when a website cannot be reached. Will add Try Again, Google Cache, Coralize, Wayback, Ping, Trace, and Whois buttons, along with...

Website History by kezze

Rated 4 out of 5 stars 3 reviews

180 users

An add-on that allows the user to quickly access cached websites. This is in particular useful when visiting web sites that were removed.

add.2.cal by Black Drumm

Rated 3 out of 5 stars 18 reviews

80 users

Add events to your Google Calendar from anywhere.

Jiffy by Bill Scott

Rated 3 out of 5 stars 12 reviews

35 users

Adds a new panel to Firebug for displaying timing measurements for JavaScript applications.
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