Shape live sound waves using Web Audio API synthesis. Tweak filters, resonance, and octave transpositions directly in your browser.
Our browser synthesizer provides electronic musicians, beatmakers, and sound designers with an instant playground for subtractive synthesis. Control oscillator waveforms (Sawtooth, Square, Sine, Triangle) and adjust the resonant lowpass filter cutoff frequency.
Find answers to common questions about our virtual instruments, practice tools, and music theory workspace.
Click the synthesizer keys or press corresponding keyboard letters (A, W, S, E, D, F, T, G, Y, H, U, J, K) to play notes.
Adjust filter cutoff and resonance sliders to shape the analog sound in real time.
It uses subtractive and FM audio synthesis via the browser Web Audio API, offering real-time lowpass filter sweeps, resonance Q control, and multi-waveform oscillators.
Yes, fully polyphonic playback is supported for touch screens, computer keyboards, and MIDI inputs.