Floweringmind

by Chris Kringle

19 Add-ons in this Collection

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 2,132 reviews

623,590 users

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

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,809 reviews

912,319 users

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

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,109 reviews

1,291,676 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...

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,424 reviews

556,741 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.

Stylish by userstyles.org

Rated 4 out of 5 stars 881 reviews

315,752 users

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

Flagfox by Dave G

Rated 5 out of 5 stars 675 reviews

328,023 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...

Web Developer by chrispederick

Rated 5 out of 5 stars 276 reviews

278,215 users

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

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 384 reviews

160,235 users

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

Wappalyzer by Elbert Alias

Rated 4 out of 5 stars 115 reviews

57,948 users

Wappalyzer is a browser extension that identifies software on websites.

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,460 reviews

122,133 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.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,530 reviews

174,236 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!

Personas Plus by Mozilla

Rated 3 out of 5 stars 855 reviews

164,516 users

Personas (now known as lightweight themes) 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 themes.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 362 reviews

88,205 users

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

Fast Dial by telega

Rated 3 out of 5 stars 2,338 reviews

76,682 users

Visual bookmarks for Firefox.

Html Validator by Marc Gueury

Rated 4 out of 5 stars 218 reviews

28,280 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
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