Best Javascript Mozilla Addons Alternatives

Total javascript plugins - 81
NoScript Security Suite

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.

   
Total Downloads: 2.1M
Firebug

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...

   
Total Downloads: 2M
Ghostery

Increase your browsing privacy, protection, and speed.

   
Total Downloads: 1.4M
iMacros for Firefox

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

Total Downloads: 493.8K
Web Developer

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

Total Downloads: 448.5K
QuickJava

Allows quick enable and disable of Java, Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth.

Total Downloads: 256.1K
RightToClick

Stops javascript annoyances such as forbidden right click, forbidden text selection or disabled features like copy/save images from web-pages.

Total Downloads: 156.1K
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.

Total Downloads: 108.4K
YesScript

A JavaScript blacklist

Total Downloads: 75.2K
Scriptish

The greatest user script engine on the Internet (a fork of Greasemonkey).

Total Downloads: 59.2K
JS Print Setup

Client side Javascript printer settings.
This extension implements print setup from CS Javascript, similar of MeadCo's ScriptX ActiveX control for Internet Explorer.

Total Downloads: 55.6K
Decentraleyes

Protects you against tracking through 'free', centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

Total Downloads: 50.1K
JavaScript Deobfuscator

This add-on shows you what JavaScript code runs on a web page, even if it is obfuscated and generated on the fly. Simply open JavaScript Deobfuscator from the Web Developer menu and watch the scripts being compiled/executed.

Total Downloads: 48.1K
Tiny JavaScript Debugger

TinyJSD is a JavaScript debugger for privileged code running Mozilla products like Firefox, Thunderbird, SeaMonkey. It serves to debug the application as well as extensions written in JavaScript.

Total Downloads: 33.3K
FireSSH

FireSSH is a free, cross-platform SSH terminal client for Mozilla Firefox. Written entirely in Javascript!

Total Downloads: 29.3K
Just Disable Stuff

Just disable JavaScript - toggle it on and off. No fancy toolbars, icons, windows, unnecessary functions. Just do it. You can also disable images. Just like that.

Total Downloads: 24.9K
JavaScript Toggle On and Off

Toggle JavaScript engine on and off the easy way

Total Downloads: 21.5K
Firebug Autocompleter

Firebug command line autocomplete.

Total Downloads: 19.8K
PrefBar

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.

Total Downloads: 15.5K
Javascript View

Javacsript source highlighter. Automatically deminify, beautify, and syntax highlight javascript source code.

Total Downloads: 12.5K