Mi+D

by alpha.omega101

201 Add-ons in this Collection

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

Rated 4 out of 5 stars 415 reviews

607,624 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.

RESTClient, a debugger for RESTful web services. by Chao ZHOU

Rated 4 out of 5 stars 80 reviews

148,910 users

Notice: some important features (XML indentation and load old saved requests) are missing in version 2.0.0, please update to version 2.0.1.

Please follow the link ("View other versions") below To install version 2.0.1.

FirePath by Pierre Tholence

Rated 4 out of 5 stars 22 reviews

71,178 users

FirePath is a Firebug extension that adds a development tool to edit, inspect and generate XPath 1.0 expressions, CSS 3 selectors and JQuery selectors (Sizzle selector engine).

Theme Font & Size Changer by Baris Derin, Access Firefox Project

Rated 5 out of 5 stars 143 reviews

90,008 users

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,383 reviews

224,079 users

AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.

JSONView by Ben Hollis

Rated 5 out of 5 stars 130 reviews

105,364 users

View JSON documents in the browser.

Modify Headers by Gareth Hunt

Rated 4 out of 5 stars 71 reviews

198,502 users

Add, modify and filter the HTTP request headers sent to web servers. This addon is particularly useful for Mobile web development, HTTP testing and privacy.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 161 reviews

105,044 users

An HTTP analyzer addon for Firefox

JavaScript Deobfuscator by Wladimir Palant

Rated 4 out of 5 stars 21 reviews

56,384 users

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.

HackBar by Johan Adriaans, Pedro Laguna

Rated 5 out of 5 stars 40 reviews

34,154 users

Simple security audit / Penetration test tool.

FEBE by Chuck_Baker

FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.

JS Switch by Hemiola SUN

Rated 4 out of 5 stars 20 reviews

12,488 users

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

Lightshot (screenshot tool) by Serg at SkillBrains, Andrej at SkillBrains

Easy and convenient screenshot tool. Allows you to make screenshots of any selected area (video and flash too), edit and upload it to server.

SearchPreview by Edward Ackroyd

Rated 4 out of 5 stars 384 reviews

101,611 users

The extension previously known as GooglePreview. Inserts preview images (thumbnails) and popularity ranks of web sites into the Google, Yahoo, Bing and DuckDuckGo search results pages.

Poster by Alex Milowski

Rated 4 out of 5 stars 61 reviews

55,857 users

A developer tool for interacting with web services and other web resources that lets you make HTTP requests, set the entity body, and content type. This allows you to interact with web services and inspect the results...
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