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GSM to MIDI - Online Audio Converter
Convert GSM to MIDI online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert GSM to MIDI
Drop GSM audio here or click to select
GSM
MIDI (MIDI)
About GSM to MIDI
Convert GSM to MIDI. GSM 06.10 encodes European mobile speech at 13 kbps. MIDI packages note events for synths and notation tools. No audio is stored, so playback varies by synth..
Why convert GSM to MIDI?
- Tiny files with MIDI note events (no audio samples).
- Keep quality where supported.
- Private, no upload - runs in your browser.
GSM vs MIDI
| Codec | GSM | MIDI |
|---|---|---|
| Compression | lossy | sequence |
| Sample behavior | Quality set by bitrate | Note events - no audio samples |
| Typical use | GSM 06.10 encodes European mobile speech at 13 kbps. | MIDI packages note events for synths and notation tools. |
When not to convert GSM to MIDI
- Skip MIDI for recorded sound: it stores note events, not audio, so keep the GSM recording.
- Keep a master copy: repeated exports stack small losses, so archive GSM before batch MIDI shares.
Limits
Starting point: GSM - GSM 06.10 encodes European mobile speech at 13 kbps. Carrier framing can offset timing; verify duration. No audio is stored, so playback varies by synth. Encode MIDI (MIDI) from GSM 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 GSM to MIDI?
Drop your GSM file onto this page, choose quality and codec settings, then click Convert. The result downloads as MIDI instantly. All processing runs in your browser.
What codec is used for MIDI?
The default codec for MIDI is MIDI. 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.