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UMX to ADPCM - Online Audio Converter
Convert UMX to ADPCM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert UMX to ADPCM
Drop UMX audio here or click to select
UMX
ADPCM (ADPCM)
About UMX to ADPCM
Convert UMX to ADPCM. UMX wraps tracker music for Unreal-engine game levels. ADPCM predicts samples to quarter voice-band bitrates. Variants differ by vendor, so confirm the flavor before converting..
Why convert UMX to ADPCM?
- Smaller files with ADPCM lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
UMX vs ADPCM
| Codec | UMX | ADPCM |
|---|---|---|
| Compression | sequence | lossy |
| Sample behavior | Note events - no audio samples | Quality set by bitrate |
| Typical use | UMX wraps tracker music for Unreal-engine game levels. | ADPCM predicts samples to quarter voice-band bitrates. |
When not to convert UMX to ADPCM
- Skip ADPCM for archival masters: lossy compression discards detail, so keep the UMX original.
- Keep a master copy: repeated exports stack small losses, so archive UMX before batch ADPCM shares.
Limits
Starting point: UMX - UMX wraps tracker music for Unreal-engine game levels. Game containers may bundle several songs; convert each separately. Variants differ by vendor, so confirm the flavor before converting. Encode ADPCM (ADPCM) from UMX 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 UMX to ADPCM?
Drop your UMX 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.