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by Acterce

18 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,746 reviews

14,872,658 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).

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 2,296 reviews

682,612 users

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

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,124 reviews

1,457,821 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 2,435 reviews

606,525 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 279 reviews

326,757 users

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

Evernote Web Clipper by Evernote

Rated 2 out of 5 stars 1,031 reviews

258,475 users

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

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,545 reviews

187,452 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!

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

Rated 4 out of 5 stars 437 reviews

262,811 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.

Html Validator by Marc Gueury

Rated 4 out of 5 stars 207 reviews

34,293 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

AutoProxy by lovelywcm

Rated 4 out of 5 stars 384 reviews

21,718 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.

YSlow by YSlow

Rated 3 out of 5 stars 210 reviews

41,369 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.

Roomy Bookmarks Toolbar by Someone free

Rated 4 out of 5 stars 299 reviews

47,728 users

FIREFOX 57 NOT SUPPORT THIS ADDON. IT'S IMPOSSIBLE
Make your bookmarks bar better. Roomy Bookmarks Toolbar can: hide bookmarks/folders name(dock like), multirow, autohide and many another features(more than 20).

HostAdmin by farmer1992

Rated 5 out of 5 stars 27 reviews

11,952 users

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

gTranslator by GHR

Download Now

Experimental

Rated 4 out of 5 stars 151 reviews

5,504 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 40 reviews

10,512 users

Firebug extension to view which CSS rules are actually used.
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