Audio spectrogram generator Audio spectrogram generator

Generate an audio spectrogram image

Build a visual spectrogram from an audio file and export it as a PNG image.

The preview helps inspect frequency changes, noise and audio structure visually.

Browser-side media tools are useful for quick analysis, previews and lightweight exports.
Large video and audio files may need time to decode; smaller samples work faster in the browser.
When the result is a command, run it on a machine with the required media tools or model installed.
Review generated WAV, PNG, CSV and command outputs before using them in production workflows.
Fullscreen mode on tablets and desktops gives more room for waveforms, tables and video previews.
For final broadcast, podcast or advertising delivery, verify results with professional media tools too.

Supported formats

This tool accepts these formats. Uncommon containers and modern web formats may be normalized or converted on the server before processing.

Audio
3GA AAC AC3 AIF AIFF AMR APE AU CAF EAC3 FLAC KAR M4A M4P M4R MID MIDI MMF MKA MPC MP2 MP3 MPGA OGA OGG OMA OPUS QCP RA RMI VOC WAV WEBA WEBM WMA

A damaged file or a non-standard codec can still fail even when the extension is supported.