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UMX to ATRAC3 - Online Audio Converter
Convert UMX to ATRAC3 online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert UMX to ATRAC3
Drop UMX audio here or click to select
UMX
ATRAC3 (ATRAC3)
About UMX to ATRAC3
Convert UMX to ATRAC3. UMX wraps tracker music for Unreal-engine game levels. The ATRAC3 target packages Sony's MiniDisc-era codec for portable players. Bitrate caps apply, so keep a master copy..
Why convert UMX to ATRAC3?
- Smaller files with ATRAC3 lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
UMX vs ATRAC3
| Codec | UMX | ATRAC3 |
|---|---|---|
| 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. | The ATRAC3 target packages Sony's MiniDisc-era codec for portable players. |
When not to convert UMX to ATRAC3
- Skip ATRAC3 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 ATRAC3 shares.
Limits
Starting point: UMX - UMX wraps tracker music for Unreal-engine game levels. Game containers may bundle several songs; convert each separately. Bitrate caps apply, so keep a master copy. Encode ATRAC3 (ATRAC3) 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 ATRAC3?
Drop your UMX file onto this page, choose quality and codec settings, then click Convert. The result downloads as ATRAC3 instantly. All processing runs in your browser.
What codec is used for ATRAC3?
The default codec for ATRAC3 is ATRAC3. 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.