b4s file icon
File Type:
Winamp Playlist File

What is B4S file?

B4S file is a music playlist file format used by some outdated versions of Winamp to organize and arrange a list of multimedia files with their corresponding metadata in a queue so that they can be played accordingly. It is developed by Nullsoft and comes in an XML format.

Recently, the B4S file format has been updated to a much better .M3U format that helps to save and organize your favorite songs and audio mixes in an orderly manner.

How to open an B4S file?

If you are interested in opening, editing or converting this type of file, just take a look at our list of software that can handle this file extension. B4S files are compatible with Windows, Macs, and Linux operating systems and can be opened with VLC media player from VideoLAN across the board and Macgo media player on Mac.


Mac OS X



We hope you learned some new things about the Winamp Playlist File (*.B4S) file extension, you can see several types of similar files below. If you have a question or want a change, leave a comment below and we'll respond as soon as possible.


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