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AC3 to XM - Online Audio Converter
Convert AC3 to XM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AC3 to XM
Drop AC3 audio here or click to select
AC3
XM (XM)
About AC3 to XM
Convert AC3 to XM. AC3 (Dolby Digital) carries 5.1 surround on DVDs and broadcasts. XM (FastTracker 2) sequences 32 instruments with envelopes. Volume-column effects vary by engine; audition the render..
Why convert AC3 to XM?
- Tiny files with XM note events (no audio samples).
- Keep quality where supported.
- Private, no upload - runs in your browser.
AC3 vs XM
| Codec | AC-3 | XM |
|---|---|---|
| Compression | lossy | sequence |
| Sample behavior | Quality set by bitrate | Note events - no audio samples |
| Typical use | AC3 (Dolby Digital) carries 5.1 surround on DVDs and broadcasts. | XM (FastTracker 2) sequences 32 instruments with envelopes. |
When not to convert AC3 to XM
- Skip XM for recorded sound: it stores note events, not audio, so keep the AC3 recording.
- Keep a master copy: repeated exports stack small losses, so archive AC3 before batch XM shares.
Limits
Starting point: AC3 - AC3 (Dolby Digital) carries 5.1 surround on DVDs and broadcasts. Downmix choices change loudness; check levels after conversion. Volume-column effects vary by engine; audition the render. Encode XM (XM) from AC3 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 AC3 to XM?
Drop your AC3 file onto this page, choose quality and codec settings, then click Convert. The result downloads as XM instantly. All processing runs in your browser.
What codec is used for XM?
The default codec for XM is XM. 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.