My Favorite Add-ons

by Anderson Guarnier da Silva

26 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,837 reviews

2,012,315 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 998 reviews

1,198,901 users

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

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 1,356 reviews

703,185 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 263 reviews

317,322 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,603 reviews

776,416 users

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

Web Developer by chrispederick

Rated 5 out of 5 stars 235 reviews

443,151 users

The Web Developer extension adds various web developer tools to the browser.

Evernote Web Clipper by Evernote

Rated 2 out of 5 stars 911 reviews

355,367 users

Use the Evernote Web Clipper to save things you see on the web into your Evernote account.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,559 reviews

301,807 users

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 1,035 reviews

308,161 users

Allows bidirectional access to Google Calendar

JSONView by Ben Hollis

Rated 5 out of 5 stars 162 reviews

105,934 users

View JSON documents in the browser.

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,419 reviews

174,802 users

AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.

Save Link in Folder by Achim Seufert

Rated 4 out of 5 stars 42 reviews

4,271 users

Easily save links in personally customized...

YSlow by YSlow

Rated 3 out of 5 stars 217 reviews

75,463 users

YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.

FirePHP by cadorn

Rated 4 out of 5 stars 48 reviews

39,844 users

FirePHP enables you to log to your Firebug Console using a simple PHP method call.

Not using Firebug 1.9+ on Firefox 8+? See http://firephp.org/

Selenium IDE: Implicit Wait by Florent-Breheret

Rated 2 out of 5 stars 3 reviews

5,537 users

This plugin allows Selenium IDE to automatically wait until all the required elements are present before executing the next command. It replicates the behaviour of the setImplicitWait method present in Selenium 2 WebDriver.
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