Scream Tracker 3 module 3

Writable

audio

The S3M format is an advanced audio sequencing format developed by Sami Tammilehto, and is the successor to the STM format used by the original Scream Tracker Audio software. Both formats are based on the original MOD format.

Identify it

Extensions	`.s3m`
MIME types	`audio/s3maudio/x-mod`
Signatures	`1a100000` at byte 28 (Scream Tracker Module 3) `005343524d` at byte 0 `005343524d` at byte 43
PRONOM	`fmt/718`
Wikidata	`Q1461901`

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Open it

Q1849222Open sourcereads and writes · BSD licenses
Schism TrackerOpen sourcereads and writes · GNU General Public License
MikModOpen sourcereads · GNU General Public License, version 2.0 or later
Scream Trackerreads and writes · proprietary license
Awave Studioreads
Q1063722reads · freeware
thousand tunes playerreads · proprietary license

Convert it

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Documentation

kaitai grammar: https://github.com/kaitai-io/kaitai_struct_formats/blob/master/media/tracker_modules/s3m.ksy

Sources

From Just Solve the File Format Problem (File Formats Wiki), Kaitai Struct format gallery, PRONOM, Wikidata. Updated 2026-10-24.

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