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All toolsaudio waveform image API

Generate an Audio Waveform Image

Draw the waveform of an audio file or video soundtrack as a single image: transparent PNG, custom size and color. Run the preset directly on this page or call the same agent-ready endpoint from your product.

Run this tool View API recipe

Prefer the shell? Generate a waveform image with FFmpeg, the verified FFmpeg command for this edit.

LIVE TOOL
Run audio waveform
Drop a video, adjust the defaults if you need to, and download the result here.

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BEFORE / AFTER

See what the tool changes.

A real example: the after side is the unedited output of a KinoPipe job. Run the live form above to generate the same result from your own media.

BeforeAudio file
Source audio48 kHz · stereo
MP3 · 2 seconds
AfterWaveform image
Ready
1280×240 · transparent PNG

Demo footage: public-domain timelapses (Bureau of Land Management, Oregon · NASA SVS). Processed by the same pipeline the API and MCP tools call.

Useful defaults, typed options.

The tool slug stays stable while your agent supplies named media inputs and a narrow set of documented options.

  • Transparent background (PNG)
  • Custom color and dimensions
  • Works on video soundtracks too
What this preset does
  1. 01Decode the audio track
  2. 02Downmix to one channel
  3. 03Draw the peaks at the requested size
  4. 04Export PNG, WebP or JPEG
Stable endpointPOST /api/v1/tools/audio-waveform
Live API request
{
  "inputs": [{ "id": "main", "url": "https://example.com/podcast.mp3" }],
  "options": { "width": 1280, "height": 240, "color": "#C4FF4C" }
}
Successful output example
{
  "result": {
    "output": {
      "filename": "audio-waveform-output.mp4",
      "contentType": "video/mp4",
      "byteSize": 437021,
      "downloadUrl": "https://cdn.kinopipe.com/…"
    }
  }
}

Know the boundaries before you run.

Upload files up to 300 MB or use public HTTP(S) URLs.
A successful run consumes at least one credit.

About audio waveform

Yes. The first audio track of the video is drawn. Inputs with no audio stream are rejected with a typed error.

PNG and WebP keep transparency; JPEG renders the waveform on a black background.

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