Search Results for tag "javascript"

NoScript Security Suite Featured

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.

Rated 5 out of 5 stars (1,511)
2,486,773 users
Updated November 22, 2015


Record, bookmark and replay your browser activities in a snap with DéjàClick. Designed for Firefox, DéjàClick can handle the most complex websites - including AJAX, Flash, forms and more. With a single click you can repeat your most common tasks.

Rated 4 out of 5 stars (48)
3,546 users
Updated September 4, 2015


The all in one toolbar(item). Houses and manages bigger amounts of buttons (Clear Cache, Clear Cookies, ...), Menus (User Agent spoof...) and checkboxes (Javascript, Flash, ...). Extensible from online-database or with self created buttons.

Rated 5 out of 5 stars (40)
17,659 users
Updated June 4, 2015

Developer Assistant

A suite of tools for developers.

Rated 4 out of 5 stars (46)
3,537 users
Updated January 29, 2015


Displays JSON data in a collapsible tree structure with syntax highlights.

Rated 5 out of 5 stars (9)
1,175 users
Updated January 20, 2015

View Source

Shows all source files of a webpage.

Rated 4 out of 5 stars (6)
1,382 users
Updated September 19, 2014

Dev Addict Developer Search

Search engine for developers that searches for tutorials, as well as through README's and video training sites.

Not yet rated
0 weekly downloads
Updated May 12, 2014

Whois Lookup & Hosting & DNS & Site Flags Firefox

IP Whois Lookup & Website Reviews & Rating. Display country flag indicating website location. Alexa and Norton Antivirus Site Adviser. Supported: GoDaddy, NetworkSolutions, Dotster, 1and1, NameCheap, Register, Yahoo, 123-Reg, FatCow, Enom, FastHosts.

Rated 3 out of 5 stars (9)
7,259 users
Updated January 10, 2014

Compatibility Detector for Firefox No Restart


Rated 2 out of 5 stars (3)
129 users
Updated December 10, 2013

Web Developer Featured

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

Rated 5 out of 5 stars (218)
638,054 users
Updated May 5, 2013

JS Switch

Add a toolbar button or an option in Tool menu to toggle JavaScript

Rated 4 out of 5 stars (20)
8,866 users
Updated April 12, 2013

immunity No Restart

A simple way to turn off Javascript and Cookies with one click.

Rated 3 out of 5 stars (1)
80 users
Updated April 8, 2013

Customize Your Web

Customize Your Web (CYW) let's you customize your favorite websites with just a few clicks. What Greasemonkey is for developers is CYW for non-developers. You can remove/rearrange /modify elements, add keyboard shortcuts and do many other things.

Rated 4 out of 5 stars (69)
2,118 users
Updated April 8, 2013

Local Load

Load common JavaScript libraries from local resources

Rated 4 out of 5 stars (31)
4,550 users
Updated February 27, 2013

View Source In Dreamweaver

View Source In Dreamweaver is a new companion for web developers to open up any web page HTML source with Adobe Dreamweaver via a single and quick mouse click.

Rated 3 out of 5 stars (7)
1,682 users
Updated February 22, 2013

Library Detector No Restart

Detects what javascript libraries are being used on the current page and displays the result as icons with detailed tooltips in the statusbar.

Rated 4 out of 5 stars (27)
1,329 users
Updated January 2, 2013

Firebug Autocompleter

Firebug command line autocomplete.

Rated 4 out of 5 stars (31)
27,518 users
Updated November 20, 2012


XPCOMViewer is tiny tool for exploring XPCOM components.

Rated 4 out of 5 stars (6)
436 users
Updated October 29, 2012

JavaScript Debugger

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

Rated 4 out of 5 stars (50)
151,333 users
Updated March 23, 2012


Javascript syntax highlighting for Firebug

Rated 4 out of 5 stars (44)
6,681 users
Updated January 7, 2012