GSM to Text — Free Online Converter
Old phone GSM codec support with noise-robust transcription.
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Drag & drop your file here
or
Accepted formats:GSM, AUDIO/X-GSM
Max size: 100MB • Max duration: 1h 5min
💡 Tip: Press Space to select a file
💡 How it works
1
Upload GSM file.
2
Click Convert.
3
Download transcript.
🔒 Privacy: Files auto-delete after 24h (input) and 7d (output)