Guardian's Firefox Add-ons

by Guardian.

28 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,879 reviews

20,372,408 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 1,770 reviews

2,363,090 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...

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,578 reviews

1,379,952 users

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

Ghostery by José María Signanini, Brad McDermott

Rated 5 out of 5 stars 1,155 reviews

1,421,180 users

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

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 1,207 reviews

326,977 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 245 reviews

382,994 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 213 reviews

574,377 users

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

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,516 reviews

920,125 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 632 reviews

625,891 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 427 reviews

266,520 users

FireShot Webpage Screenshots captures pages entirely. Demo: http://bit.ly/RlBQMV

Screenshots can be quickly captured and:

― Saved as Image or PDF
― Sent to clipboard
― Printed
― Annotated *
― Uploaded *
― E-Mailed *

* OS Windows only

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,510 reviews

315,617 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 185 reviews

132,891 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 271 reviews

129,688 users

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

YSlow by YSlow

Rated 3 out of 5 stars 189 reviews

109,322 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.

Download Manager Tweak by squashr1979, andman42

Rated 4 out of 5 stars 402 reviews

83,803 users

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