Blackart test add-ons

by Black_Art

17 Add-ons in this Collection

Video DownloadHelper by mig

Rated 4 out of 5 stars 5,675 reviews

4,801,223 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 1,791 reviews

2,199,993 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...

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 305 reviews

294,763 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 217 reviews

556,451 users

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

Evernote Web Clipper by Evernote

Rated 2 out of 5 stars 807 reviews

404,353 users

Use the Evernote Web Clipper to save things you see on the web into your Evernote account.

Speed Dial by Josep del Rio

Rated 4 out of 5 stars 1,247 reviews

421,163 users

Direct access to your most visited websites

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,391 reviews

212,055 users

AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.

Firefinder for Firebug by Robert Nyman

Rated 3 out of 5 stars 28 reviews

21,875 users

Finds HTML elements matching chosen CSS selector(s) or XPath expression

Download Statusbar by C.J.

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Rated 4 out of 5 stars 1,462 reviews

461,218 users

View and manage downloads from a tidy statusbar - without the download window getting in the way of your web browsing.

Thanks Tekzilla for your awesome review! Click here to see their video:

Searchbar Autosizer by Kevin Cox

Rated 4 out of 5 stars 186 reviews

10,849 users

Autosizes the searchbar as you type, cleans the query or reverts to your default search engine after submitting. Supports almost all themes and various search bar related extensions. Useful for saving space on a small screen.

Ubiquity by matyr

Download Now


Rated 5 out of 5 stars 121 reviews

1,309 users

An extension that allows for the use of dynamic commands in Firefox.

Mac Shortcuts by Mikel Ward

Rated 4 out of 5 stars 7 reviews

275 users

Adds some Mac keyboard shortcuts to Firefox on Windows and Linux.

Stop-or-Reload Button by Caio Chassot

Rated 5 out of 5 stars 111 reviews

1,154 users

A Stop-or-Reload...

Mozilla Labs - Jetpack Prototype by Mozilla Labs

Rated 4 out of 5 stars 27 reviews

224 users

Jetpack Prototype is an experiment in making it easy to build Firefox add-ons using common web technologies.

CSS validator by Michael Langley

Rated 3 out of 5 stars 10 reviews

716 users

Validates a page using the W3C CSS Validator.
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