My Favorite Add-ons

by Kristian Frost

12 Add-ons in this Collection

Adblock Plus by Eyeo

Rated 5 out of 5 stars 7,283 reviews

12,514,608 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 4 out of 5 stars 2,639 reviews

900,149 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...

Web Developer by chrispederick

Rated 4 out of 5 stars 473 reviews

273,843 users

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

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 430 reviews

183,455 users

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

Tamper Data by Adam Judson

Rated 4 out of 5 stars 305 reviews

48,187 users

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

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 1,054 reviews

244,299 users

FireFTP is a free, secure, cross-platform FTP/SFTP client for Waterfox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

Personas Plus by Mozilla

Rated 3 out of 5 stars 946 reviews

136,745 users

Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.

SearchPreview by Edward Ackroyd

The main feature of SearchPreview is to enhance your search results pages. It inserts site preview images (thumbnails) and popularity ranks into Google™, DuckDuckGo™, Yahoo™ and Bing™ searches.

Html Validator by Marc Gueury

Rated 4 out of 5 stars 212 reviews

32,101 users

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox, Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Firefox 56, use 0.974 (see all versions below).
For Firefox 57, see Web Extensions.

YSlow by YSlow

Rated 3 out of 5 stars 211 reviews

26,088 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.

SenSEO by Nico Steiner

Rated 4 out of 5 stars 44 reviews

1,998 users

SenSEO is an extension checking the most important on-page-SEO-criteria and calculating a grade of how good your site fulfills these criteria.

Dummy Lipsum by Sogame

Rated 3 out of 5 stars 52 reviews

2,481 users

Generate "Lorem Ipsum" dummy text (from http://www.lipsum.com).

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