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by Acterce

18 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,203 reviews

17,499,333 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).

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,625 reviews

2,577,551 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...

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 2,129 reviews

1,133,162 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 178 reviews

678,655 users

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

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,321 reviews

457,096 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!

AutoProxy by lovelywcm

Rated 4 out of 5 stars 362 reviews

95,078 users

Are you concerned about your privacy? Or, are you blocked from some websites by a firewall? And, are you arming yourself with a proxy? In that case, AutoProxy is designed for you! A tool to help you use your proxy automatically & efficiently.

IE Tab V2 (Enhanced IE Tab) by ietab.net

Rated 4 out of 5 stars 376 reviews

639,718 users

Note: If you are encountering the Connecting... problem see instructions below.

The updated, fully supported IE Tab. Embed IE in a Firefox tab. IE Tab Features: FF 4+ support, IE 7-9 compatibility modes, old IE Tab settings import.

YSlow by YSlow

Rated 3 out of 5 stars 164 reviews

130,753 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.

Memory Fox by IDEVFH

Rated 4 out of 5 stars 257 reviews

157,983 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.

Roomy Bookmarks Toolbar by Someone free

Rated 4 out of 5 stars 160 reviews

42,616 users

Customize your bookmarks bar with Roomy Bookmarks Toolbar

Html Validator by Marc Gueury

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 Firefox 23+, you need 0.958 (under review)
http://users.skynet.be/mgueury/mozilla

gTranslator by GHR

Download Now

Experimental

Rated 4 out of 5 stars 129 reviews

50,226 users

Google translate gadget for firefox. This extension translates entire webpages into a language of your choice with one click. Idea comes from Google Translation Bar for Chrome.

CSS Usage by Teun van Eijsden

Rated 4 out of 5 stars 36 reviews

27,288 users

Firebug extension to view which CSS rules are actually used.

HostAdmin by farmer1992

Rated 5 out of 5 stars 19 reviews

9,448 users

Switch domain-ip mapping by a SIMPLE CLICK. In addition, DNS would be refreshed whenever your change host by HostAdmin or Manually.
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