Why online matters
A browser-based music visualizer lowers friction. You do not need to install a desktop app, manage local plugins, or learn a complicated interface before you even know whether the visuals fit your taste.
Groovalizer is built for that immediate first moment: song in, visuals on screen, quick sense of possibility.
What you get, exactly
| Runs in | Any WebGL 2 browser: Chrome, Firefox, Safari, Edge. No install. |
| Engine | projectM (open-source MilkDrop) compiled to WebAssembly |
| Visual presets | 2,100+ generative styles, all available free |
| Audio input | MP3, WAV, M4A, OGG, AAC, or live microphone |
| Video export | MP4 and WebM: free at 720p with a watermark, clean with a bought video or a plan |
| Aspect ratios | 16:9 widescreen, 9:16 vertical, 1:1 square, 4:5 portrait |
| Resolution | 720p free · 1080p on a bought video or Pro · 4K on Unlimited |
| Privacy | Renders on your device; audio never uploads |
| Price | Free to watch and to export at 720p · $4.99 per clean video · Pro $14.99/month or $144/year for 8 videos a month · Unlimited $29.99/month or $240/year for every video · no watermark on paid videos |
More range than a simple waveform
A lot of online visualizers look nearly identical. Groovalizer gives you a much deeper range of styles, from ambient motion and soft color drift to complex geometric and psychedelic scenes.
That variety matters whether you are listening for fun or building something worth posting.
Responsive workflow
Previewing in real time is a huge advantage. Instead of sending your song away to a remote renderer and waiting for a result, you can adjust the look immediately and keep moving.
That makes Groovalizer useful for casual users, creators, and musicians who want speed without losing visual depth.
How it runs in a browser tab
The visualizer is projectM, the open-source successor to Winamp’s MilkDrop, compiled to WebAssembly and drawn with WebGL 2. Your browser decodes the audio, the analysis runs on your device, and preset files stream from the site as you browse them. Nothing installs and nothing uploads.
That is why an unreleased track is safe here: the file never leaves your machine.
What you can change while it plays
Switch looks from the library of 2,100+ and move the colour toward your artwork, with Hue and Colour strength under Fine-tune for finer steps. Reacts to the music and Speed set how strongly it reacts and how fast it moves, so the same look can sit still under an ambient piece or hit hard on a techno kick. Go fullscreen for a screen or projector, or switch to the microphone and let the room play it.
If none of the presets is quite right, describe the look in plain words and let the AI write one.
Limits worth knowing
- It needs a browser with WebGL 2. Chrome, Firefox, Safari and Edge all qualify.
- Watching is free with no account. Sign in free and a video downloads at 720p with a watermark; a clean one is $4.99, up to 1080p and 10 minutes.
- Pro makes 8 videos a month, up to 1080p, for $14.99 a month or $144 a year. Unlimited makes every video, up to 4K, for $29.99 a month or $240 a year. Neither adds a watermark.
- Rendering runs on your own hardware, so a long video takes as long as your machine takes.