Professional audio spectrum tool

Free Audio Spectrogram Generator — No Registration

Turn an audio file into a clear Spectrogram image that shows frequency distribution over time, with live preview and download.

✓ Free ✓ No registration ✓ Live preview ✓ MP3 · WAV · M4A · FLAC · OGG ✓ Private local analysis — audio stays on this device

Audio file

No file selected

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Or choose a file from your device to generate a spectrogram.

Choose file MP3 · WAV · M4A · FLAC · OGG · AAC · WebM Up to 100 MB and 10 minutes; browser codec support may vary.

Use other FileGet tools to analyze, inspect, or process your audio.

Three simple steps to generate your spectrogram.

Choose an MP3, WAV, M4A, or another supported audio format.

Choose the image width and height for your intended use.

Click Generate, review the image, then download the PNG result.