My Favorite Add-ons

by RobertWetzlmayr

28 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,817 reviews

19,715,323 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 6,622 reviews

4,247,673 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 1,828 reviews

2,079,762 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...

uBlock Origin by Raymond Hill

Rated 5 out of 5 stars 549 reviews

1,225,710 users

Finally, an efficient blocker. Easy on CPU and memory.

Ghostery by Ghostery

Rated 5 out of 5 stars 1,264 reviews

1,419,668 users

Increase your browsing privacy, protection, and speed.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 992 reviews

1,253,138 users

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

Full Web Page Screenshots (♥♥♥♥♥) by susbox

FireShot makes full web page screenshots. 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

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 309 reviews

261,949 users

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

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 352 reviews

137,456 users

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

Reader by Baris Derin

Rated 5 out of 5 stars 58 reviews

33,893 users

Reader is the ultimate Reader tool for Firefox.

Html Validator by Marc Gueury

Rated 4 out of 5 stars 215 reviews

52,000 users

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

For Online HTML 5 validation, you need 0.962
http://users.skynet.be/mgueury/mozilla

DuckDuckGo Plus by DuckDuckGo

Rated 4 out of 5 stars 150 reviews

119,951 users

DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension makes DuckDuckGo available in the address bar, search bar and right-click menu. Also adds a handy toolbar button with more features!

YSlow by YSlow

Rated 3 out of 5 stars 210 reviews

79,906 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.

Clear Cache Button by Chris Holtz

Rated 4 out of 5 stars 131 reviews

76,402 users

Adds a clear cache toolbar button. After installing the extension, find the clear cache button in the toolbar customization...

FirePHP by cadorn

Rated 4 out of 5 stars 48 reviews

42,344 users

FirePHP enables you to log to your Firebug Console using a simple PHP method call.

Not using Firebug 1.9+ on Firefox 8+? See http://firephp.org/
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