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WebM to XM - Online Audio Converter
Convert WebM to XM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert WebM to XM
Drop WebM audio here or click to select
WebM
XM (XM)
About WebM to XM
Convert WebM to XM. WebM pairs VP9 video with Opus audio and supports an alpha channel. XM (FastTracker 2) sequences 32 instruments with envelopes. Volume-column effects vary by engine; audition the render..
Why convert WebM to XM?
- Tiny files with XM note events (no audio samples).
- Keep quality where supported.
- Private, no upload - runs in your browser.
WebM vs XM
| Animation | Yes | No |
|---|---|---|
| Transparency | Yes | No |
| Compression | lossy | sequence |
| Typical use | WebM pairs VP9 video with Opus audio and supports an alpha channel. | XM (FastTracker 2) sequences 32 instruments with envelopes. |
When not to convert WebM to XM
- Skip XM for recorded sound: it stores note events, not audio, so keep the WebM recording.
- Flatten transparency first: XM has no alpha channel, so composite WebM over a background color.
Limits
Starting point: WebM - VP9 video with Opus audio and alpha support. Apple editors accept it unevenly; keep MP4 for editing round-trips. Volume-column effects vary by engine; audition the render. Encode XM (XM) from WebM 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.
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FAQ
How do I convert WebM to XM?
Drop your WebM 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.