My Favorite Add-ons

by RobertWetzlmayr

28 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,953 reviews

16,655,075 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).

uBlock Origin by Raymond Hill

Rated 5 out of 5 stars 1,226 reviews

3,480,999 users

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

Video DownloadHelper by mig

Rated 4 out of 5 stars 7,341 reviews

4,281,254 users

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

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,063 reviews

1,607,541 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...

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,014 reviews

1,053,485 users

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

Ghostery by Ghostery

Rated 5 out of 5 stars 1,321 reviews

1,210,746 users

Increase your browsing privacy, protection, and speed.

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 4 out of 5 stars 369 reviews

202,059 users

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

DuckDuckGo Plus by DuckDuckGo

Rated 4 out of 5 stars 171 reviews

310,639 users

DuckDuckGo is the search engine that doesn't track you. This add-on makes DuckDuckGo your default search engine and includes some other useful features.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 362 reviews

108,593 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 65 reviews

30,718 users

Reader is the ultimate Reader tool for Firefox.

YSlow by YSlow

Rated 3 out of 5 stars 221 reviews

56,269 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.

Html Validator by Marc Gueury

Rated 4 out of 5 stars 218 reviews

41,481 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

FirePHP by cadorn

Rated 4 out of 5 stars 50 reviews

31,030 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/

RSS Icon in url bar by Vasiliy Temnikov

Rated 4 out of 5 stars 42 reviews

7,933 users

Add RSS icon into URL bar
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