AU to MOD - Online Audio Converter
Convert AU to MOD online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About AU to MOD
Convert AU to MOD. AU is Sun's simple container, usually holding 8 kHz telephony audio. MOD names both JVC's MPEG-2 camcorder files and tracker music modules. Camcorder files convert as video; tracker modules convert as audio..
Why convert AU to MOD?
- Smaller files with MOD lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
AU vs MOD
| Animation | No | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | uncompressed | lossy |
| Typical use | AU is Sun's simple container, usually holding 8 kHz telephony audio. | MOD names both JVC's MPEG-2 camcorder files and tracker music modules. |
When not to convert AU to MOD
- Skip MOD for archival masters: lossy compression discards detail, so keep the AU original.
- No motion to preserve: AU is a still, so pick MOD for size or compatibility rather than animation.
Limits
Starting point: AU - AU is Sun's simple container, usually holding 8 kHz telephony audio. Headers are minimal; verify sample rate after conversion. Camcorder files convert as video; tracker modules convert as audio. Encode MOD (MPEG-2 / MP2) from AU at a bitrate near the source, and confirm the audio track before converting.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.