Free online KSS to WAV converter

Some audio editors and playback systems accept WAV but not KSS chiptune files. Converting KSS creates a rendered audio file that can be edited, shared, or played in software that supports standard WAV files.

What the KSS format is

KSS is a game-music format used for music from MSX and related 8-bit systems, including the Sega SG-1000. Rather than storing a finished recording, it contains music data that a compatible player renders by emulating sound chips such as the PSG or SCC. KSS files commonly come from game-music rips; players such as KSSPlay can play them.

What the WAV format is

WAV is a container commonly used for uncompressed PCM audio. It is supported by most audio editors and media players, and is suitable for further editing or archiving. WAV files are generally larger than KSS files because they store rendered audio samples rather than compact music data.

How to convert KSS to WAV

Online on 101convert.com

1. Upload the KSS file on the converter page. You can add several files for batch conversion; the per-file size limit is shown on the page.
2. Before converting, choose the desired sample rate and number of channels.
3. Convert the file, then download the WAV output.

The conversion runs on the site’s server using FFmpeg.

Offline with desktop software

foobar2000 with the Game Emu Player component is a free Windows option. Install foobar2000 and the Game Emu Player input component, which supports KSS, then open the file in foobar2000. Select the track, choose Convert → Quick convert, select WAV/PCM as the output format, and start the conversion. If the KSS contains multiple tracks, convert the desired track or tracks from the playlist.

Quality and compatibility

WAV contains the sound rendered during playback; it does not preserve the original KSS music data or provide a recording of the original hardware. The selected sample rate and channel count affect the rendered file’s size and playback compatibility.