Video DownloadHelper
Encyclopedia
Video DownloadHelper is an extension for the Mozilla Firefox web browser
Web browser
A web browser is a software application for retrieving, presenting, and traversing information resources on the World Wide Web. An information resource is identified by a Uniform Resource Identifier and may be a web page, image, video, or other piece of content...

. It allows the user to download videos from sites that stream videos though the HTTP
Hypertext Transfer Protocol
The Hypertext Transfer Protocol is a networking protocol for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web....

 protocol, such as YouTube
YouTube
YouTube is a video-sharing website, created by three former PayPal employees in February 2005, on which users can upload, view and share videos....

. The extension was developed by Michel Gutierrez. The current stable release of Video DownloadHelper is version 4.9.4, released on July 25, 2011.

Since version 4.9, Video DownloadHelper has introduced an additional video capture method through direct grabbing on the screen. This feature relies on CamStudio
CamStudio
CamStudio is a screencasting program for Microsoft Windows released as free software. The software renders videos in an AVI format. It can also convert these AVIs into Flash Video format, embedded in SWF files...

 when running on the Windows
Microsoft Windows
Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...

 platform and on RecordMyDesktop
RecordMyDesktop
RecordMyDesktop is a free and open source desktop screencasting software application written for GNU/Linux. The program is separated into two parts; a command line tool that performs the tasks of capturing and encoding, and an interface that exposes the program functionality graphically...

 when on Linux
Linux
Linux is a Unix-like computer operating system assembled under the model of free and open source software development and distribution. The defining component of any Linux system is the Linux kernel, an operating system kernel first released October 5, 1991 by Linus Torvalds...

, Video DownloadHelper providing a one-click capture start capability, without the need to manually specify the region of the screen to be captured.

As of August 2011, Video DownloadHelper is being run on over 6,500,000 browsers daily, making this extension the second most popular extension after Adblock Plus.

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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