Press Start to begin visualization
Audio is processed entirely in your browser — nothing is sent to any server.
Listen to sounds through your microphone and visualize their frequency and volume in three different styles: bars, waveform, and a circular view.
A 16-step drum machine sequencer powered entirely by the Web Audio API — no sample files needed. Synthesize kicks, snares, hi-hats, claps, and toms, adjust BPM and swing, pick from preset patterns, and export your beat as a WAV file.
Tune your guitar using your microphone. Visualize audio frequency data, detect pitches, and see hints to tune each string up or down.
Convert text to speech with voice selection and speed controls, or transcribe speech to text in real-time. Uses built-in browser APIs — zero dependencies, total privacy.