Guardian's Firefox Add-ons

by Guardian.

32 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,824 reviews

22,059,989 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,755 reviews

2,684,042 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...

Ghostery by José María Signanini, Brad McDermott

Rated 5 out of 5 stars 1,077 reviews

1,453,915 users

Protect your privacy. See who's tracking your web browsing and block them with Ghostery.

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,549 reviews

1,533,772 users

The first and only download manager/accelerator built inside Firefox!

LastPass Password Manager by LastPass

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

Web Developer by chrispederick

Rated 5 out of 5 stars 202 reviews

696,422 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 234 reviews

440,172 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 2,472 reviews

1,056,447 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.

Flagfox by Dave G

Rated 5 out of 5 stars 622 reviews

757,011 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Webpage Screenshot in Firefox (♥♥♥♥♥) by susbox

Rated 5 out of 5 stars 421 reviews

290,606 users

FireShot Webpage Screenshots captures webpage screenshot entirely (see demo: http://bit.ly/RlBQMV)

The screenshot can be quickly annotated and:

+ Uploaded
+ Saved as PDF/PNG/GIF/JPEG/BMP
+ Sent to clipboard
+ Printed
+ E-Mailed
+ Exported

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,502 reviews

376,651 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!

Webmail Ad Blocker by Jason

Rated 4 out of 5 stars 178 reviews

155,370 users

Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.

The Addon Bar (Restored) by Geek in Training

Rated 5 out of 5 stars 246 reviews

148,331 users

Gives you a place to put all your add-on buttons without over-crowding the navigation bar.

Download Manager Tweak by squashr1979, andman42

Rated 4 out of 5 stars 396 reviews

102,271 users

Allows the download manager to also open in a tab or sidebar, and adds some optional display changes.

YSlow by YSlow

Rated 3 out of 5 stars 176 reviews

135,153 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.
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