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WAV to GSM - Online Audio Converter
Convert WAV to GSM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert WAV to GSM
Drop WAV audio here or click to select
WAV
GSM (GSM)
About WAV to GSM
Convert WAV to GSM. WAV is Microsoft's RIFF container, usually holding 16-bit PCM. GSM 06.10 encodes European mobile speech at 13 kbps. Carrier framing can offset timing; verify duration..
Why convert WAV to GSM?
- Smaller files with GSM lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
WAV vs GSM
| Codec | PCM 16-bit | GSM |
|---|---|---|
| Compression | uncompressed | lossy |
| Sample behavior | Full quality kept | Quality set by bitrate |
| Typical use | WAV is Microsoft's RIFF container, usually holding 16-bit PCM. | GSM 06.10 encodes European mobile speech at 13 kbps. |
When not to convert WAV to GSM
- Skip GSM for archival masters: lossy compression discards detail, so keep the WAV original.
- Keep a master copy: repeated exports stack small losses, so archive WAV before batch GSM shares.
Limits
Starting point: WAV - 16-bit PCM near 10 MB per minute. Files run about 10 MB per minute, so archive as FLAC. Carrier framing can offset timing; verify duration. Encode GSM (GSM) from WAV 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 WAV to GSM?
Drop your WAV 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.