Code tool

Audio Visualizer

Choose an audio file and press Play to see a local Web Audio spectrum visualization.

In-browser processingNo account requiredPrivacy details ↗

Choose audio, then press Play to start the visualizer.

Runs locally with Web Audio. Maximum 100 MB and 60 minutes. This visualizer does not record, export, or measure acoustic properties.

A QUICK WALKTHROUGH

How to use this tool

  1. Choose an audio file up to 100 MB and 60 minutes.
  2. Press Play to start audio and the live spectrum.
  3. Pause or choose another file when finished.

Local playback

Playback and visualization use the browser Web Audio API after the user presses Play. The file is not uploaded, recorded, or exported.

What it shows

The canvas shows a visual frequency spectrum only. It does not measure loudness, pitch, quality, room response, or other acoustic properties. Files are limited to 100 MB and 60 minutes.

GOOD TO KNOW

Common questions

Does it record audio?

No. It only plays the selected file and draws its live spectrum.

Can I export a video or audio file?

No. Export is not provided.

What are the limits?

The selected file must be no larger than 100 MB and no longer than 60 minutes.