Free to use

Free Online Music Visualizer for Audio Files

Create a music visualizer MP4 with a reactive spectrum and your own soundtrack. Use a built-in background or upload an image; captions are optional.

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THE SHORT ANSWER

A music visualizer represents changes in a soundtrack as moving spectrum bars. Upload an instrumental track, disable captions, choose a background and export a video without waiting for speech recognition.

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Supported formats

MP3, WAV, M4A, AAC, FLAC and OGG; supported video files with sound also work. Optional JPG, PNG or WebP background. Export MP4 at 720p or 1080p.

How it works

1. Upload a track you can use

Choose a local audio file. The visualizer keeps its sound, so use a recording that you own or have permission to publish.

2. Turn off captions and enable the spectrum

Choose a theme or custom image, aspect ratio, title and highlight color. Disabling captions skips speech recognition; it does not mute the soundtrack.

3. Preview and download

Generate the video and check the spectrum with the audio playing. Download the MP4, then publish it yourself to your preferred platform.

Limits and privacy

Audio and video: up to 100 MB and 10 minutes. A custom background must be JPG, PNG or WebP, up to 5 MB. Free with queue and usage limits; results expire after 24 hours.

Privacy & data

What to check before sharing

Spectrum bars show frequency energy, not individual instruments, lyrics or a measured beat grid. This is a background-and-spectrum renderer, not an AI scene generator.

Common questions

Does instrumental audio need transcription?

No. Turn captions off to skip recognition and render the visualizer directly.

Can I add an album cover?

Yes. Upload an image you have permission to use. Check how it is cropped in your chosen aspect ratio.

Can the visualizer remove vocals?

No. It keeps the uploaded soundtrack and does not separate vocals or instruments.

Ready to give it a try?

Music visualizer ↗