Audio Waveform Image Generator — Browser Media Image Tool
ImageAudio Waveform Image Generator is a client-side media image tool that generates a png waveform image from an audio file.
What is it
Audio Waveform Image Generator decodes a selected audio file with the Web Audio API, extracts sample peaks, and draws a PNG waveform image on Canvas. Files are not sent to a server, and the result downloads from the current browser.
pixel peak = max(abs(sample)) over each time slice, drawn around the vertical center line
How to use
- 1Choose an audio file.
- 2Adjust output size and sampling density.
- 3Generate and download the PNG waveform image.
Reference
| Input | Output |
|---|---|
| WAV/MP3/M4A/OGG | PNG waveform image + summary report |
Sources & standards
- MDN Web Docs: Client-side web APIs - MDN Web Docs
- MDN Web Docs: Web Audio API - MDN Web Docs
FAQ
Is the audio file uploaded by Audio Waveform Image Generator?
No. Processing runs locally through the browser Web Audio API.
Does Audio Waveform Image Generator support every audio format?
It can process only formats your browser supports through decodeAudioData, such as WAV, MP3, M4A, or OGG.