Henk Firefox Add ons

by Henk Gelderblom

13 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,756 reviews

2,583,556 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...

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 473 reviews

1,112,333 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.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,474 reviews

1,033,624 users

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

Web Developer by chrispederick

Rated 5 out of 5 stars 202 reviews

656,432 users

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

Microsoft .NET Framework Assistant by Microsoft Corporation

Rated 2 out of 5 stars 117 reviews

2,145,034 users

Adds ClickOnce support and the ability to report installed .NET versions to the web server.

Session Manager by Michael Kraft

Rated 4 out of 5 stars 528 reviews

285,395 users

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 152 reviews

193,792 users

View HTTP headers of a page and while browsing.

ColorfulTabs by Shivanand Sharma

Rated 4 out of 5 stars 963 reviews

261,820 users

The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. For Seamonkey & Flock. An essential. F...

IE Tab by PCMan, yuoo2k

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

Memory Fox by IDEVFH

Rated 4 out of 5 stars 316 reviews

145,525 users

Attempting to reduce both Browser and Flash RAM Memory usage. Memory Fox will promote the increase of available RAM memories for other application processes. Hopefully, fostering any attempts of Memory Recovery and Retention.

StumbleUpon by StumbleUpon

Rated 4 out of 5 stars 213 reviews

147,019 users

StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see.

BugMeNot by retailmenot

Rated 4 out of 5 stars 218 reviews

47,435 users

Bypass compulsory web registration with the context menu via www.bugmenot.com.

Gmail Notifier by Doron Rosenberg

Rated 4 out of 5 stars 622 reviews

33,075 users

Note from Mozilla: This add-on has been discontinued. Try WebMail Notifier instead.

The original notifier for Gmail.

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections

Recently Viewed