GSM to WAV
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Step 1: Submit the GSM file you want to convert to WAV to the upload box at the left.
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Step 2: Wait a moment while your WAV output is created.
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Step 3: Click on the download button and get your converted audio for free!
You can upload up to 20 audios simultaneously.
Measured on our servers
What to expect when converting GSM to WAV
Real numbers from every conversion on this tool since 24 October 2026. Nothing here is estimated: we record how long each job took and how large the files were. File names and contents are never stored.
under 1 s
Typical processing time
for a 0.1 MB file (median)
49
Conversions
since 24 October 2026
11 MB
Largest file converted
since 24 October 2026
+870%
Output size
about 870% larger than the input
How long conversions take
share of all conversions
- under 1 s90%
- 1–10 s10%
- 10–60 s0%
- 1–5 min0%
- over 5 min0%
Times are server processing only, measured after the upload finished; upload and download are not included. Large files take longer, but the limit is the same for everyone: no account, no queue priority to buy. Updated 2026-11-09
