Web Worker

by Gargoyle

32 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,974 reviews

21,190,175 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 1,791 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...

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,612 reviews

1,363,367 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 958 reviews

1,259,260 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,502 reviews

2,258,709 users

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

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.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,516 reviews

314,127 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!

Blur by Abine, Inc., the online privacy company

Rated 3 out of 5 stars 702 reviews

259,642 users

Protect your Passwords, Payments, and Privacy.

Mozilla Archive Format, with MHT and Faithful Save by Christopher Ottley, Paolo Amadini

Rated 4 out of 5 stars 270 reviews

181,301 users

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

Evernote Clearly by Evernote

Rated 4 out of 5 stars 178 reviews

116,232 users

Evernote Clearly makes blog posts, articles and webpages clean and easy to read. Save them to Evernote to read anywhere.

Image Zoom by Jason Adams

Rated 4 out of 5 stars 333 reviews

170,455 users

Adds zoom and rotation functionality for images...

TinEye Reverse Image Search by TinEye

Rated 4 out of 5 stars 180 reviews

118,982 users

TinEye is a reverse image search engine. The plugin adds a context menu item that allows you to search for an image to find out where it came from, how it is being used, if modified versions of the image exist, or to find higher resolution versions.

Roomy Bookmarks Toolbar by Someone free

Rated 4 out of 5 stars 241 reviews

58,632 users

Make your bookmarks bar better. Roomy Bookmarks Toolbar can: hide bookmarks/folders name(dock like), multirow, autohide and many another features(more than 20).
Customize your bookmarks bar using one add-on.

Lazarus: Form Recovery by Seth Wagoner

Rated 4 out of 5 stars 359 reviews

49,942 users

Never lose anything you type into a web form again! Lazarus securely auto-saves all forms as you type, so after a crash, server timeout, or whatever, you can go back to the form, right click, "recover form", and breathe a sigh of relief.

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 65 reviews

138,719 users

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
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