Free Audio Visualizer
A Soundwave Generator and Online Audio Visualizer to create and export WebM videos from your audio (transparent background when supported).
Online Music Soundwave Generator
Choose from multiple visualizers (Bar, Wave, Line, Radial Bars, Mirror Bars), tune the look, and export a video directly from your browser.
Tip: MP3/WAV/AAC work best. Some browsers may require interaction to start audio.
Choose from 5 visualization styles.
Higher detail = more CPU. 2^N (N=5..11).
- WebM export uses VP9 codec for high quality.
- Supports transparent backgrounds for overlay compositing.
- Export replays the entire track off-screen (it won't interrupt your playback).
Free Audio Visualizer (Soundwave Generator) — online, fast, and private
Audio-visualizer.com is a free audio visualizer you can use instantly in your browser. It works as a soundwave generator and an online audio visualizer, letting you create visualizers from your audio and export them as video.
Create visualizers from audio
Upload a file and pick a style (Bar, Wave, Line, Radial Bars, Mirror Bars). Adjust color, bar width, gap, smoothing, and FFT detail to match your music and your brand.
Export a WebM video (VP9)
When you’re ready, export a full-length WebM video. Some browsers support transparent backgrounds, which is useful if you want to overlay the visualizer on top of other footage.
Runs locally (no uploads)
Your audio stays on your device — this online audio visualizer processes everything locally in your browser for privacy and speed.
FAQ
How do I use a free soundwave generator online?
Choose an audio file, press Play to preview the visualization, then export a full-length WebM video. This tool runs locally in your browser (no uploads).
How can I generate a soundwave from an audio file?
Use the Soundwave Generator to visualize your audio as animated waveforms or bars. It analyzes the audio in real time in your browser and renders the soundwave on the canvas.
What is the best online audio visualizer for exporting video?
A good online audio visualizer should preview smoothly and export reliably. This one works in your browser and can export a full-length WebM video, while processing your audio locally (no uploads).
What audio visualizer styles (visualizers) can I choose from?
You can choose from multiple visualizers: Bar, Wave, Line, Radial Bars, and Mirror Bars. You can also adjust color, bar width, gap, smoothing, and FFT detail.
How do I export an audio visualizer as a WebM video (with transparent background)?
Click Export WebM to render and download a full-length video of your visualization. If your browser supports it, you can use a transparent background for overlay/compositing.