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XM to GSM - Online Audio Converter
Convert XM to GSM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert XM to GSM
Drop XM audio here or click to select
XM
GSM (GSM)
About XM to GSM
Convert XM to GSM. XM (FastTracker 2) sequences 32 instruments with envelopes. GSM 06.10 encodes European mobile speech at 13 kbps. Carrier framing can offset timing; verify duration..
Why convert XM to GSM?
- Smaller files with GSM lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
XM vs GSM
| Codec | XM | GSM |
|---|---|---|
| Compression | sequence | lossy |
| Sample behavior | Note events - no audio samples | Quality set by bitrate |
| Typical use | XM (FastTracker 2) sequences 32 instruments with envelopes. | GSM 06.10 encodes European mobile speech at 13 kbps. |
When not to convert XM to GSM
- Skip GSM for archival masters: lossy compression discards detail, so keep the XM original.
- Keep a master copy: repeated exports stack small losses, so archive XM before batch GSM shares.
Limits
Starting point: XM - XM (FastTracker 2) sequences 32 instruments with envelopes. Volume-column effects vary by engine; audition the render. Carrier framing can offset timing; verify duration. Encode GSM (GSM) from XM 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 XM to GSM?
Drop your XM file onto this page, choose quality and codec settings, then click Convert. The result downloads as GSM instantly. All processing runs in your browser.
What codec is used for GSM?
The default codec for GSM is GSM. 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.