Home | MP3 Converter | FFmpeg | Donations | News

 

CYS is a free Firefox add-on that downloads videos in 3GP, WebM, FLV, MP4, HD, Full HD, 3D, and 4K formats (includes DASH formats 480p/1080p, etc). Convert audio track from videos to MP3, or save audio track in native format (Ogg Vorbis, AAC/M4A, MP3). Also saves video page, comments pages and statistics to one folder. Check the latest version here.

 

 

Yellow Strip

.................................. .... ..... ...................................................................... ............................... ...........

........................No More Updates

 

 

........There will be no more updates after v5.7.36. We are rewriting the

 

code from scratch, not just for WebExtensions but for the other browsers

 

....as well. We will be back soon with a new and improved version of CYS.

 

..........There will be no more tech support until the new version is out.

 

 

Yellow Strip 2

 

 

 

PLEASE READ:

 

*The latest FFmpeg version is needed for muxing DASH video (480p/1080p) and audio. Please

 

.update your FFmpeg here (Build Version d7c75a5, 1-16-2016)

 

-Portable Firefox users, you can set up FFmpeg in your profile folder, see FAQ under FFmpeg

 

 

 

Downloading Videos:

 

Download videos in various formats:

 

1

 

MP3 Converter:

 

Convert audio track from video to MP3 or WAV, or save audio track in native format (Ogg Vorbis,

 

AAC/M4A, MP3). Enable MP3 Converter in Options> General tab. In addition to the audio formats in the

 

main list, you can also manually extract the native audio track from any video using the "Save Audio Track

 

As" options in the submenu (AAC/M4A set in Options).

 

 

Save video, video page, and comments pages to one folder:

 

..1.Hover over the format you wish to download and select "Save Complete Page" from the

 

..sub-menu:

 

4

.

 

..2.Name the project, select the download location, and choose how many comments pages to save:

 

30

 

 

-With the folder list open, you can double click the "Save in" button to switch from history to custom

 

list:

 

31

 

..3.Click Ok