HongMayi

by hongmayi

24 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,820 reviews

21,705,909 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).

Flash Video Downloader - YouTube HD Download [4K] by pos1t1ve

Flash Video Downloader helps you to download any video (flv, mp4, HD) from YouTube-like, Facebook, Break, Metacafe and more in one click. You can download mp3, music (iPod), avi and more. Download Flash games. Download Helper. 4K download

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,754 reviews

2,483,172 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 1,548 reviews

1,496,743 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 933 reviews

1,378,487 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 202 reviews

654,627 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 234 reviews

417,087 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

ReloadEvery by Jaap Haitsma

Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)

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

Rated 4 out of 5 stars 411 reviews

614,270 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.

AutoProxy by lovelywcm

Rated 4 out of 5 stars 417 reviews

59,866 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.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 152 reviews

191,654 users

View HTTP headers of a page and while browsing.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 327 reviews

164,553 users

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

YSlow by YSlow

Rated 3 out of 5 stars 176 reviews

124,533 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.

SearchPreview by Edward Ackroyd

Rated 4 out of 5 stars 380 reviews

118,921 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.

FirePHP by cadorn

Rated 4 out of 5 stars 45 reviews

65,008 users

FirePHP enables you to log to your Firebug Console using a simple PHP method call.

Not using Firebug 1.9+ on Firefox 8+? See http://firephp.org/
  1. 1
  2. 2
Results 115 of 24

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections

Recently Viewed