OpenAnyFile
What is a .s3m file?
Scream Tracker 3 Module is an audio format developed by Future Crew, first released in 1994. It is usually created by Scream Tracker 3, demoscene.
The format of the Future Crew demoscene era. Supports up to 32 channels plus AdLib FM instruments.
File details
| Full name | Scream Tracker 3 Module |
|---|---|
| Category | Audio |
| MIME type | audio/s3m |
| Signature (magic bytes) | 53 43 52 4D (SCRM) at offset 44 |
| Developer | Future Crew |
| Introduced | 1994 |
| Opens with | Tracker music player |
| Uploaded? | No — read locally in your browser |
How to open a .s3m file
OpenAnyFile routes .s3m files to its tracker music player, which shows the song played live from its patterns and samples.
- Drop your .s3m file on the box above, click it to choose the file, or paste it with Ctrl+V.
- The real format is detected from the file's first bytes — not just its name.
- The file opens in the tracker music player.
- Use fullscreen for a closer look, check its checksums, or download it back unchanged.
What works — and what does not
Works
Viewing and inspecting: the song played live from its patterns and samples. Size, type, signature and checksums are always shown.
Does not work
Editing and saving back. OpenAnyFile is a viewer, not an editor — for changes you still need the original app.
Is it safe to open a .s3m file online?
Here, yes — because nothing is uploaded. Most "online viewers" send your file to their server. OpenAnyFile reads it with your browser's File API and decodes it on your own device, so there is no copy anywhere else. You can check: open your browser's network tab while opening a file — no upload appears.
Questions about .s3m files
Can I open a .s3m file without installing software?
Yes. OpenAnyFile opens .s3m files in your browser using its tracker music player. You get the song played live from its patterns and samples, with nothing installed and no account.
How do I know a file is really a .s3m file?
Check its first bytes instead of its name. A genuine S3M file begins with 53 43 52 4D (SCRM) at offset 44. OpenAnyFile shows the detected type, so a renamed file is easy to spot.
Is my .s3m file uploaded anywhere?
No. The file is read locally by your browser and never sent to a server — it even works offline once the page has loaded.
Does it work on phones?
Yes — on Android and iPhone, in any modern browser. You can also install OpenAnyFile as an app.
Related formats
Other formats from the same family:
Format facts checked and page updated on September 25, 2026.