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Video DownloadHelper is an extension for Firefox and Chrome web browsers. It allows the user to download videos from sites that stream videos through HTTP . The extension was developed by Michel Gutierrez.
This comparison contains download managers, and also file sharing applications that can be used as download managers (using the http, https and ftp-protocol). For pure file sharing applications see the Comparison of file sharing applications .
ClipGrab is a donationware [2] video download manager, allowing the download of videos from a variety of websites such as YouTube, Vimeo, Dailymotion or Facebook.It has been praised for its user-friendliness, but also flagged as malware by security software.
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youtube-dl is a free and open source software tool for downloading video and audio from YouTube [3] and over 1,000 other video hosting websites. [4] It is released under the Unlicense software license. [5] As of September 2021, youtube-dl is one of the most starred projects on GitHub, with over 100,000 stars. [6]
They may recompress the video to another format in a process called transcoding, or may simply change the container format without changing the video format. The disadvantages of transcoding are that there is quality loss when transcoding between lossy compression formats, and that the process is highly CPU -intensive.
AV1 is a video encoding format that is intended to be royalty-free, developed by the Alliance for Open Media (AOMedia). AV1 Image File Format (AVIF) is an image format based on this codec. [19] The registered MIME type is image/avif for both still images and image sequences, and .avif is the file name extension. [20]
The end user experience is similar to streaming media, however the file is downloaded to a physical drive on the end user's device; the file is typically stored in the temporary directory of the associated web browser if the medium was embedded into a web page or is diverted to a storage directory that is set in the preferences of the media player used for playback.