Extensions by Weekly Downloads

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Image Block Featured

Image Block adds a toggle button that conditionally blocks/allows loading of images on webpages. Blocking images results in faster browsing, especially helpful on handheld devices or slower connections like GSM/GPRS/EDGE dial-up etc.

Rated 4 out of 5 stars (107)
6,655 weekly downloads

SoundCloud Downloader - Technowise No Restart

Adds download link/button to all soundcloud tracks.

Rated 4 out of 5 stars (76)
6,653 weekly downloads

YouTube Flash to HTML5 No Restart

Converts YouTube flash videos to HTML5.
UPD: it seems that youtube player has been fixed, and this plugin is not needed anymore.

Rated 4 out of 5 stars (39)
6,639 weekly downloads

Youtube to MP3 Converter - High Quality MP3 it

Youtube to MP3 Converter which places an "MP3 it" Button on Youtube Video Pages.

With Just One Click, A New Tab Loads without Disruption of your viewing Experience Where you can Downloaded your Converted 256k MP3 File.

Rated 2 out of 5 stars (26)
6,635 weekly downloads

Fire IE (FireIE, Enhanced IE)

Embeds Internet Explorer(IE) to use the powerful Firefox add-ons.
Not only an enhanced IE Tab, but also an enhanced Internet Explorer with Adblock Plus and FireGestures support.
Switch to the IE engine in one click and dismiss your IE.

Rated 4 out of 5 stars (98)
6,523 weekly downloads

Best Proxy Switcher

Best Proxy Switcher was developed by the team, who provides proxy service since 2004 year. You can use Best Proxy Switcher with your own proxy or use 3 day FREE trial to let it download most recently checked list from our web site automatically!

Rated 5 out of 5 stars (29)
6,452 weekly downloads

YSlow

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.

Rated 3 out of 5 stars (167)
6,352 weekly downloads

Save as PDF

Lets you download web pages as PDF in one click.

Rated 3 out of 5 stars (88)
6,332 weekly downloads

快读 No Restart

1. 自动获取网页文章/新闻的原文;
2. 智能计算原文摘要;
3. 用户可以自定义设定摘要长度,百分比;
4. 用户可以分享摘要到新浪,腾讯微博

Not yet rated
6,309 weekly downloads

Theme Font & Size Changer No Restart Featured

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.

Rated 5 out of 5 stars (119)
6,295 weekly downloads

Screengrab (fix version)

Screengrab! saves webpages as images.
0.97 released!
New features: upload to internet

Rated 5 out of 5 stars (162)
6,229 weekly downloads

Image Zoom

Adds zoom and rotation functionality for images...

Rated 4 out of 5 stars (310)
6,081 weekly downloads

Easy Screenshot

Capture a screenshot of the whole webpage, and save in your desktop in default.

Rated 4 out of 5 stars (32)
5,956 weekly downloads

Download Manager Tweak

Allows the download manager to also open in a tab or sidebar, and adds some optional display changes.

Rated 4 out of 5 stars (351)
5,894 weekly downloads

RightToClick Featured

Stops javascript annoyances such as forbidden right click, forbidden text selection or cascading dialog boxes.

Rated 5 out of 5 stars (114)
5,867 weekly downloads

Unblock Youku No Restart

Helps users access their web services while travelling outside mainland China.

Rated 4 out of 5 stars (13)
5,860 weekly downloads

SearchReset No Restart

This add-on is very simple: on installation, it backs up and then resets your search preferences and home page to their default values, and then uninstalls itself. This affects the search bar, URL bar searches, and the home page.

Rated 5 out of 5 stars (131)
5,836 weekly downloads

FEBE Featured

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.

Rated 4 out of 5 stars (550)
5,801 weekly downloads

MinimizeToTray revived

Minimizes windows into the system tray.

Rated 5 out of 5 stars (241)
5,790 weekly downloads

User Agent Overrider No Restart

Override browser user agent string

Rated 4 out of 5 stars (25)
5,784 weekly downloads