Audio spectrogram generator

  1. Choose File
  2. Options
  3. Result

Input

Choose FileDrag media here or click to choose files.Choose File

Generate an audio spectrogram image

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

Speech, music and fine-detail presets quickly set the frequency span, analysis window and number of frequency bands; export the result as PNG, JPEG or CSV.

How to use this tool →

Quick start

Build a speech, music or detailed spectrogram without tuning every field.

  1. Add audio
  2. Choose a preset
  3. Create PNG, JPEG or CSV
✓ 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 AWB APE AU CAF EAC3 FLAC IMY KAR M4A M4P M4R MID MIDI MMF MKA MPC MP2 MP3 MPGA MXMF OGA OGG OMA OPUS OTA QCP RA RMI RTTTL RTX VOC WAV WEBA WEBM WMA XMF

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

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