IMPORTANT!!! PLEASE READ!!!
-The latest FFmpeg version is needed for muxing DASH videos (480p/1080p) and audio, please, update your FFmpeg here.
-Windows XP users, if you get "cmdproxy" or ".NET framework" error messages, unhide the Console Window in Options> General tab
-Debian/Ubuntu Linux users: your OS ships with an outdated version of FFmpeg, please, download the tested FFmpeg static binary for your system here.
-Portable Firefox users, you can set up FFmpeg in your profile folder, see FAQ
-Please report bugs to firstname.lastname@example.org
-More updates on the way (comment page saves, etc)Features:
-Download YouTube videos in 3GP, WebM, MP4, FLV, Full HD, 4K and 3D formats
-Full, completely transparent support for all new adaptive streaming (DASH) video formats (480p/1080p)
-Convert videos to MP3 or WAV, or save audio track in native format (Ogg Vorbis, AAC/M4A, MP3)
-Save YouTube page, statistics, video, and comments pages to one folder
-Free to use, contains no adsAbout Adaptive Streaming Videos (DASH)
In October 2013, YT stopped providing 480p and 1080p videos complete with audio. See: http://googlesystem.blogspot.com/2013/10/youtube-drops-support-for-1080p-streams.html
480p and 1080p are now video-only. There are separate audio streams to download and package together with these video streams to make MP4 files. CYS will do all this for you automatically in a process called “muxing”, with a single click, but you need to have the latest version of FFmpeg installed on your system and set up in CYS Options. Details are posted here
DASH videos can be identified in the list by the three digits in the format number, from 133 and up, for example: “fmt 133”. Without FFmpeg installed:
-DASH video formats appear in the CYS list as MP4V files and contain NO AUDIO.With FFmpeg installed:
-DASH video formats appear in the CYS list as MP4 files. CYS will download the video and audio files and merge them automatically. DO NOT try to play the separate files while they are downloading. Wait until the two files merge and then you can play the resulting MP4 file.
Depending on the video, the following DASH formats are available for download with CYS v5.2.1 (with FFmpeg installed):
Fmt 138 MP4 Original 2304p
Fmt 264 MP4 Ultra HD 1440p
Fmt 137 MP4 Full HD 1080p
Fmt 136 MP4 HD 720p
Fmt 135 MP4 High Quality 480p
Fmt 134 MP4 SD 360p
Fmt 133 MP4 Low Quality 240p
Fmt 160 MP4 Low Quality 144p
DASH WebM formats where available:
Fmt 248 WebM Full HD 1080p
Fmt 247 WebM HD 720p
Fmt 244 WebM High Quality 480p
Fmt 243 WebM SD 360p
Fmt 242 WebM Low Quality 240pAbout FFmpeg and Audio Files:
In addition to muxing DASH videos, installing FFmpeg will allow you to do the following:
-Convert audio from any YT video to high quality MP3 or WAV.
-Save audio from any YT video in native format, without transcoding:
>OGG Vorbis from WebM
>AAC/M4A from MP4, FLV, 3GP
>MP3 from FLVTo Enable MP3 Converter:
1.Go to Options> General tab.
2.Click on "Download and install FFmpeg" link.
-Works with Windows, Mac and Linux.Save YouTube page, video, and comments pages to one folder:
1.Hover over the format you wish to download.
2.Select "Save Complete YouTube Page" from the menu.
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