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Opus to UMX - Online Audio Converter
Convert Opus to UMX online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert Opus to UMX
Drop Opus audio here or click to select
Opus
UMX (UMX)
About Opus to UMX
Convert Opus to UMX. Opus adapts from 6 kbps speech to 510 kbps music with low latency. UMX wraps tracker music for Unreal-engine game levels. Game containers may bundle several songs; convert each separately..
Why convert Opus to UMX?
- Tiny files with UMX note events (no audio samples).
- Keep quality where supported.
- Private, no upload - runs in your browser.
Opus vs UMX
| Codec | Opus | UMX |
|---|---|---|
| Compression | lossy | sequence |
| Sample behavior | Quality set by bitrate | Note events - no audio samples |
| Typical use | Opus adapts from 6 kbps speech to 510 kbps music with low latency. | UMX wraps tracker music for Unreal-engine game levels. |
When not to convert Opus to UMX
- Skip UMX for recorded sound: it stores note events, not audio, so keep the Opus recording.
- Keep a master copy: repeated exports stack small losses, so archive Opus before batch UMX shares.
Limits
Starting point: Opus - Opus adapts from 6 kbps speech to 510 kbps music with low latency. CD-era hardware may not decode it; use MP3 for legacy players. Game containers may bundle several songs; convert each separately. Encode UMX (UMX) from Opus 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 Opus to UMX?
Drop your Opus 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.