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S3M file: what it is and how to open it

Scream Tracker 3 audio. Here is what a .s3m file contains, how to open one on any device, and a viewer that opens it right in your browser.

Open a .s3m file hereChoose fileRead in your browser. Nothing is uploaded.

What the viewer shows

  • Whether the file matches the .s3m signature
  • The first bytes as hex
  • A preview when your browser can display it

What is a .s3m file?

A .s3m file is a scream Tracker 3 audio. Its registered MIME type is audio/x-s3m, which places it in the audio family of formats.

S3M is a binary format: the contents are not readable text, so opening it in a text editor shows scrambled characters.

S3M file format details

Extension.s3m
FormatScream Tracker 3 audio
MIME typeaudio/s3m, audio/x-s3m
CategoryAudio
Text or binaryBinary
File signatureNone fixed
Registered with IANANo
Other extensionsNone

How to open S3M files

WindowsVLC media player is free and plays almost every audio and video format, S3M included in most cases. Media Player and Films and TV handle the common ones.
MacQuickTime Player plays formats Apple supports. VLC or IINA play most others.
iPhone and iPadThe Files app plays formats Apple supports. VLC for iOS plays most others.
AndroidMost gallery and music apps play common formats; VLC for Android plays almost everything.

Can you convert a .s3m file?

TapToConvert does not convert S3M files yet. If you can export the file from its program as a common audio format, the audio converter can turn it into anything else.

S3M file FAQ

What is a .s3m file?

A .s3m file is a scream Tracker 3 audio, with the MIME type audio/x-s3m.

How do I open a .s3m file?

VLC media player plays most audio and video formats on Windows, Mac, iPhone and Android.

Is a .s3m file safe to open?

S3M files hold data rather than programs, but any file from an unknown source can be crafted to exploit the software that opens it. Keep that software up to date. The viewer on this page only reads the bytes and never runs anything.

What is the MIME type of .s3m?

audio/x-s3m, and it is also seen as audio/x-s3m. Web servers send this type so browsers know how to handle the file.

Is S3M a text or binary format?

Binary. Its contents are not readable as text.

File type facts come from the IANA media type registry, the mime-db project and the freedesktop.org shared MIME database.

Similar file types

Try MP4 to MP3, HEIC, merge PDF or compress video.