Must-have

by Gregoric

11 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,857 reviews

20,814,322 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).

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,008 reviews

1,266,744 users

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

Stylish by userstyles.org

Rated 4 out of 5 stars 829 reviews

471,327 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,613 reviews

828,840 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.

Classic Theme Restorer by Aris

Rated 5 out of 5 stars 1,139 reviews

440,599 users

Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29+ (Windows / MacOSX / Linux).

All builds & changelogs on versions page!

BetterPrivacy-signed by IKRG

Control a new, trickier kind of cookie, better known as an LSO or Flash cookie. The BetterPrivacy safeguard offers various ways to handle Flash-cookies created by webpages with the help of your Flash plug-in...

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 358 reviews

145,481 users

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Blur by Abine, Inc., the online privacy company

Protect your Passwords, Payments, and Privacy.

Rainbow Color Tools by Heather Arthur

Rated 5 out of 5 stars 97 reviews

28,853 users

Color tools for web development.

Color picker and eyedropper + saving colors and trying out colors with drag and drop.

Omnibar by Ajit K

Rated 4 out of 5 stars 477 reviews

34,739 users

Integrates location bar and search bar into one. Shows search and url suggestions. Quickly switch search engine using search keywords. Provides different auto-complete popup styles for compact displays.

Google Shortcuts - All Google Services at a glance by Soeren Rinne, Carlos Jeurissen

Download Now

Experimental

Rated 4 out of 5 stars 352 reviews

30,493 users

Display all Google services as buttons or as a space-saving dropdown menu next to your address bar. Reach services like Gmail, Google reader, Google maps, Google calendar, and many more in a single click from your browser.

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Collections are groups of related add-ons that anyone can create and share.

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