My Favorite Add-ons

by Sepehr Lajevardi

85 Add-ons in this Collection

Adblock Plus by Eyeo

Rated 5 out of 5 stars 7,033 reviews

13,154,712 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).

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 4,137 reviews

821,462 users

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

Greasemonkey by Anthony Lieuallen

Rated 4 out of 5 stars 1,544 reviews

720,530 users

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

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,587 reviews

992,063 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...

Lightning by Mozilla Calendar Project

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

FoxyProxy Standard by Eric H. Jung

Rated 4 out of 5 stars 570 reviews

344,784 users

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

Stylish - Custom themes for any website by

Rated 4 out of 5 stars 1,255 reviews

351,028 users

Stylish lets you customize any website with custom user styles (themes for websites). Choose from the largest userstyles library to change the color scheme, background, and skin for Google, Facebook, YouTube and many, many more sites.

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 965 reviews

352,903 users

Allows bidirectional access to Google Calendar

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 826 reviews

367,621 users

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Flagfox by Dave G

Rated 5 out of 5 stars 826 reviews

262,571 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...

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 421 reviews

190,558 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

Xmarks Sync by Xmarks Inc.

Rated 3 out of 5 stars 3,202 reviews

100,930 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!

Tamper Data by Adam Judson

Rated 4 out of 5 stars 292 reviews

52,566 users

Use tamperdata to view and modify HTTP/HTTPS headers and post parameters...

Wappalyzer by Elbert Alias

Rated 4 out of 5 stars 149 reviews

75,034 users

Wappalyzer is a browser extension that identifies software on websites.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 314 reviews

169,115 users

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