# Spectrogram

> Render a frequency-over-time spectrogram from any audio file with the Web Audio API.

Render a frequency-over-time spectrogram from any audio file with the Web Audio API.

There is no upload endpoint — your files are processed in this browser tab. Open your network tab and check.

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Canonical HTML: https://www.safepaper.app/audio/spectrogram
Markdown: https://www.safepaper.app/audio/spectrogram.md

There is no upload endpoint — your files are processed in this browser tab. Open your network tab and check.