My Favorite Add-ons

by Scott Ferguson

46 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,923 reviews

18,870,225 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).

Video DownloadHelper by mig

Rated 4 out of 5 stars 7,326 reviews

4,382,936 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,899 reviews

1,753,355 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...

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,607 reviews

2,075,754 users

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,019 reviews

1,154,052 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 252 reviews

395,668 users

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

Self-Destructing Cookies by Ove

Rated 4 out of 5 stars 544 reviews

188,405 users

Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 172 reviews

123,000 users

View HTTP headers of a page and while browsing.

Wappalyzer by Elbert Alias

Rated 4 out of 5 stars 104 reviews

69,611 users

Wappalyzer is a browser extension that identifies software on websites.

Modify Headers by Gareth Hunt

Rated 4 out of 5 stars 77 reviews

109,481 users

Add, modify and filter the HTTP request headers sent to web servers. This addon is particularly useful for Mobile web development, HTTP testing and privacy.

Autofill Forms by Sebastian Tschan, Egor Zindy, others

Rated 3 out of 5 stars 415 reviews

55,518 users

Autofill Forms enables you to fill out web forms with one click.

Mail Merge by Alexander Bergmann

Rated 5 out of 5 stars 146 reviews

48,965 users

Mass Mail and Personal Mail

YSlow by YSlow

Rated 3 out of 5 stars 215 reviews

62,238 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.

JavaScript Deobfuscator by Wladimir Palant

Rated 5 out of 5 stars 20 reviews

43,061 users

This add-on shows you what JavaScript code runs on a web page, even if it is obfuscated and generated on the fly. Simply open JavaScript Deobfuscator from the Web Developer menu and watch the scripts being compiled/executed.

TinEye Reverse Image Search by TinEye

TinEye is a reverse image search engine. The plugin adds a context menu item that allows you to search for an image to find out where it came from, how it is being used, if modified versions of the image exist, or to find higher resolution versions.
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