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XM to ADPCM - Online Audio Converter
Convert XM to ADPCM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert XM to ADPCM
Drop XM audio here or click to select
XM
ADPCM (ADPCM)
About XM to ADPCM
Convert XM to ADPCM. XM (FastTracker 2) sequences 32 instruments with envelopes. ADPCM predicts samples to quarter voice-band bitrates. Variants differ by vendor, so confirm the flavor before converting..
Why convert XM to ADPCM?
- Smaller files with ADPCM lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
XM vs ADPCM
| Codec | XM | ADPCM |
|---|---|---|
| Compression | sequence | lossy |
| Sample behavior | Note events - no audio samples | Quality set by bitrate |
| Typical use | XM (FastTracker 2) sequences 32 instruments with envelopes. | ADPCM predicts samples to quarter voice-band bitrates. |
When not to convert XM to ADPCM
- Skip ADPCM for archival masters: lossy compression discards detail, so keep the XM original.
- Keep a master copy: repeated exports stack small losses, so archive XM before batch ADPCM shares.
Limits
Starting point: XM - XM (FastTracker 2) sequences 32 instruments with envelopes. Volume-column effects vary by engine; audition the render. Variants differ by vendor, so confirm the flavor before converting. Encode ADPCM (ADPCM) from XM 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 XM to ADPCM?
Drop your XM file onto this page, choose quality and codec settings, then click Convert. The result downloads as ADPCM instantly. All processing runs in your browser.
What codec is used for ADPCM?
The default codec for ADPCM is ADPCM. 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.