Music Visualizer
Visualize music with 4 effects and color presets
音楽ファイルをドロップ
MP3、WAV、M4A などに対応
周波数解析度 FFT Size
エフェクト Effect
プリセット Presets
About Music Visualizer
The Music Visualizer is an online tool that analyzes frequency and waveform data from audio files in real time, rendering them as stunning visual effects. Using FFT (Fast Fourier Transform) analysis via the Web Audio API AnalyserNode, it captures frequency spectrum data and renders it frame-by-frame on an HTML5 Canvas.
It features four distinct visualization modes. In Bars mode, colorful frequency bars pulse up and down with the music dynamics. Waveform mode displays time-domain audio signal data as smooth flowing curves. Circular mode arranges frequency bars radiating outward from a central circle. Particles mode generates and disperses particles based on music intensity.
Choose from three FFT sizes (256/512/1024) to adjust the detail level of frequency spectrum analysis. Smoothing technology reduces flicker between frames for smooth, stable visuals. Beyond customizable color gradients, background colors, and sensitivity controls, you can select from six color presets including Neon, Ocean, Fire, Galaxy, Sunset, and Retro. Keyboard shortcuts (Space for play/stop, arrow keys for effect switching) enhance usability for power users.
How to use Music Visualizer
- Upload your audio file (MP3, WAV, M4A, etc.) by dragging and dropping or clicking to browse. File info and duration display automatically.
- Select FFT size to adjust frequency analysis detail: Standard (256) for speed, Medium (512) for balance, High (1024) for detailed frequency display.
- Choose a visualization mode from four effects: Bars, Waveform, Circular, or Particles. Use arrow keys to switch between effects.
- Select from six presets (Neon, Ocean, Fire, Galaxy, Sunset, Retro) or customize with color pickers and the sensitivity slider.
- Press play or hit the Space key to start the music and enjoy real-time visual effects. Use fullscreen for an immersive experience.
Benefits of Music Visualizer
- Four visualization modes — Dynamically visualize music with diverse effects: Bars, Waveform, Circular, and Particles modes.
- Adjustable FFT resolution — Choose from 256, 512, or 1024 FFT sizes to optimize frequency detail for any music genre or preference.
- Frequency smoothing — Reduces unnatural flicker between frames for smooth, stable visual expressions.
- Six color presets — Select from Neon, Ocean, Fire, Galaxy, Sunset, and Retro. Full customization available via color pickers.
- Keyboard shortcuts — Press Space to play/stop, arrow keys to switch effects. Efficient power-user experience.
- Fullscreen-ready real-time rendering — Smooth 60fps animation via requestAnimationFrame, perfect for live performances and DJ setups.
- Safe and fast browser-based — All processing runs entirely in your browser with zero server uploads. Complete privacy guaranteed.
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