Floweringmind

by Chris Kringle

19 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...

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,549 reviews

1,503,196 users

The first and only download manager/accelerator built inside Firefox!

Stylish by Jason Barnabe

Rated 4 out of 5 stars 729 reviews

761,552 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.

LastPass Password Manager by LastPass

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,475 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.

Flagfox by Dave G

Rated 5 out of 5 stars 620 reviews

743,184 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,502 reviews

368,993 users

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 300 reviews

289,386 users

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

Personas Plus by Mozilla

Rated 3 out of 5 stars 950 reviews

502,133 users

Personas 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 Personas.

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,371 reviews

248,762 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.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 327 reviews

164,841 users

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

Fast Dial by telega

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Experimental

Rated 3 out of 5 stars 2,445 reviews

181,380 users

Visual bookmarks for Firefox. (Works with all latest versions of Firefox)

Wappalyzer by Elbert Alias

Rated 4 out of 5 stars 95 reviews

67,746 users

Wappalyzer is a browser extension that identifies software on websites.

SearchPreview by Edward Ackroyd

Rated 4 out of 5 stars 380 reviews

117,724 users

The extension previously known as GooglePreview. Inserts preview images (thumbnails) and popularity ranks of web sites into the Google, Yahoo, Bing and DuckDuckGo search results pages.
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