Audio Waveform Viewer
Visualize audio waveforms entirely in the browser. Drag-and-drop or pick an audio file, decode with Web Audio API, render peak/RMS waveform on Canvas with zoom (6 presets: 1x/2x/5x/10x/50x/100x), select channel view (left/right/both/mono-mix), detect silence regions (5 threshold presets from -30dB to -80dB, 5 min-duration presets from 100ms to 2s), find top-N amplitude peaks, 5 color presets (blue/green/red/purple/mono), peak list renderer, text report, CSV export (peaks + silence), history (localStorage), shareable URL, summary stats (duration, sample rate, channels, peak count, silence count, % silence). 100% client-side.
Visualize audio waveforms entirely in the browser. Drag-and-drop or pick an audio file, decode with Web Audio API, render peak/RMS waveform on Canvas with zoom (6 presets: 1x/2x/5x/10x/50x/100x), select channel view (left/right/both/mono-mix), detect silence regions (5 threshold presets from -30dB to -80dB, 5 min-duration presets from 100ms to 2s), find top-N amplitude peaks, 5 color presets (blue/green/red/purple/mono), peak list renderer, text report, CSV export (peaks + silence), history (localStorage), shareable URL, summary stats (duration, sample rate, channels, peak count, silence count, % silence). 100% client-side. Everything runs locally in your browser — your data never leaves your device.
How to use
- Enter your input in the tool above.
- Adjust any options to your preference.
- Use the Copy or Download buttons to save the result.
- Everything happens locally — your data never leaves your browser.