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ATRAC3 to UMX - Online Audio Converter
Convert ATRAC3 to UMX online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert ATRAC3 to UMX
Drop ATRAC3 audio here or click to select
ATRAC3
UMX (UMX)
About ATRAC3 to UMX
Convert ATRAC3 to UMX. ATRAC3 is Sony's MiniDisc-era codec at 132 kbps and below. UMX wraps tracker music for Unreal-engine game levels. Game containers may bundle several songs; convert each separately..
Why convert ATRAC3 to UMX?
- Tiny files with UMX note events (no audio samples).
- Keep quality where supported.
- Private, no upload - runs in your browser.
ATRAC3 vs UMX
| Codec | ATRAC3 | UMX |
|---|---|---|
| Compression | lossy | sequence |
| Sample behavior | Quality set by bitrate | Note events - no audio samples |
| Typical use | ATRAC3 is Sony's MiniDisc-era codec at 132 kbps and below. | UMX wraps tracker music for Unreal-engine game levels. |
When not to convert ATRAC3 to UMX
- Skip UMX for recorded sound: it stores note events, not audio, so keep the ATRAC3 recording.
- Keep a master copy: repeated exports stack small losses, so archive ATRAC3 before batch UMX shares.
Limits
Starting point: ATRAC3 - ATRAC3 is Sony's MiniDisc-era codec at 132 kbps and below. Needs era-correct decoding paths; convert for modern players. Game containers may bundle several songs; convert each separately. Encode UMX (UMX) from ATRAC3 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.
Related conversions
FAQ
How do I convert ATRAC3 to UMX?
Drop your ATRAC3 file onto this page, choose quality and codec settings, then click Convert. The result downloads as UMX instantly. All processing runs in your browser.
What codec is used for UMX?
The default codec for UMX is UMX. 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.