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UMX to ALAC (M4A) - Online Audio Converter
Convert UMX to ALAC (M4A) online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert UMX to ALAC (M4A)
Drop UMX audio here or click to select
UMX
ALAC (M4A) (ALAC)
About UMX to ALAC (M4A)
Convert UMX to ALAC (M4A). UMX wraps tracker music for Unreal-engine game levels. ALAC is Apple's lossless codec stored inside M4A files. Stays bit-identical to WAV while tagging like AAC..
Why convert UMX to ALAC (M4A)?
- Larger files than lossy shares with ALAC (M4A) lossless quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
UMX vs ALAC (M4A)
| Codec | UMX | ALAC |
|---|---|---|
| Compression | sequence | lossless |
| Sample behavior | Note events - no audio samples | Full quality kept |
| Typical use | UMX wraps tracker music for Unreal-engine game levels. | ALAC is Apple's lossless codec stored inside M4A files. |
When not to convert UMX to ALAC (M4A)
- Skip ALAC (M4A) for the smallest share: lossless output stays large, so prefer a lossy target when sending UMX files.
- Keep a master copy: repeated exports stack small losses, so archive UMX before batch ALAC (M4A) shares.
Limits
Starting point: UMX - UMX wraps tracker music for Unreal-engine game levels. Game containers may bundle several songs; convert each separately. Stays bit-identical to WAV while tagging like AAC. Encode ALAC (M4A) (ALAC) 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 ALAC (M4A)?
Drop your UMX file onto this page, choose quality and codec settings, then click Convert. The result downloads as ALAC (M4A) instantly. All processing runs in your browser.
What codec is used for ALAC (M4A)?
The default codec for ALAC (M4A) is ALAC. 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.