UMX to CAF - Online Audio Converter

Convert UMX to CAF online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

Convert UMX to CAF

[+] Drop UMX audio here or click to select UMX

Output format

CAF (PCM 16-bit)

Mode[i]

Simple Advanced

Quality[i]

Sample Rate[i]

Channels[i]

About UMX to CAF

Convert UMX to CAF. UMX wraps tracker music for Unreal-engine game levels. CAF is Apple's 64-bit container for large recordings beyond WAV limits. Few Windows tools open it; convert WAV for sharing..

Why convert UMX to CAF?

Larger files than lossy shares with CAF uncompressed quality.
Keep quality where supported.
Private, no upload - runs in your browser.

UMX vs CAF

Codec	UMX	PCM 16-bit
Compression	sequence	uncompressed
Sample behavior	Note events - no audio samples	Full quality kept
Typical use	UMX wraps tracker music for Unreal-engine game levels.	CAF is Apple's 64-bit container for large recordings beyond WAV limits.

When not to convert UMX to CAF

Skip CAF 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 CAF shares.

Limits

Starting point: UMX - UMX wraps tracker music for Unreal-engine game levels. Game containers may bundle several songs; convert each separately. Few Windows tools open it; convert WAV for sharing. Encode CAF (PCM 16-bit) 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 CAF?

Drop your UMX file onto this page, choose quality and codec settings, then click Convert. The result downloads as CAF instantly. All processing runs in your browser.

What codec is used for CAF?

The default codec for CAF is PCM 16-bit. 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.