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MTM to S3M - Online Audio Converter
Convert MTM to S3M online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert MTM to S3M
Drop MTM audio here or click to select
MTM
S3M (S3M)
About MTM to S3M
Convert MTM to S3M. MTM (MultiTracker) sequences 32-channel DOS-era compositions. S3M (Scream Tracker 3) sequences 16 digital channels with effects. Stereo panning quirks differ by player; check the mix..
Why convert MTM to S3M?
- Tiny files with S3M note events (no audio samples).
- Keep quality where supported.
- Private, no upload - runs in your browser.
MTM vs S3M
| Codec | MTM | S3M |
|---|---|---|
| Compression | sequence | sequence |
| Sample behavior | Note events - no audio samples | Note events - no audio samples |
| Typical use | MTM (MultiTracker) sequences 32-channel DOS-era compositions. | S3M (Scream Tracker 3) sequences 16 digital channels with effects. |
When not to convert MTM to S3M
- Skip S3M for recorded sound: it stores note events, not audio, so keep the MTM recording.
- Keep a master copy: repeated exports stack small losses, so archive MTM before batch S3M shares.
Limits
Starting point: MTM - MTM (MultiTracker) sequences 32-channel DOS-era compositions. Old 32-channel layouts may fold down; check the mix. Stereo panning quirks differ by player; check the mix. Encode S3M (S3M) from MTM at 256k for music or 128k for speech, starting from the master.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
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FAQ
How do I convert MTM to S3M?
Drop your MTM file onto this page, choose quality and codec settings, then click Convert. The result downloads as S3M instantly. All processing runs in your browser.
What codec is used for S3M?
The default codec for S3M is S3M. You can change audio parameters in Advanced mode.
How do you store my files?
We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.