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a 3-oscillator synth living in your browser — mono or poly, with glide between notes and a built-in arpeggiator. 3x oscillators — mutable, with waveform (including pulse-width and wavefolding), octave/detune, and live mini-scopes — plus FM (osc2/osc3 → osc1), a resonant filter, stereo pan, an LFO you can route to almost any knob in the rack, bitcrusher, delay, algorithmic reverb, and a master-bus saturator with a choice of clipping algorithm and an output ceiling — LFO rate and delay time can lock to BPM instead of raw Hz. play with the keyboard below, your computer keys (A–; row, Z/X or the ◀▶ buttons to shift octaves), or a connected MIDI device; program a beat (chords included, up to 64 steps) in the sequencer, save/load your patch as a JSON preset (master volume stays untouched), and export an MP3 whenever you like.
tips on mobile, flip the silent/mute switch off and turn your volume up before tapping "start synth" — it's browser audio, so a muted phone means no sound · hit 🎲 randomize for instant inspiration, "reset to init patch" always gets you back · "panic" instantly silences everything if a patch gets away from you · save your favorite patches with "save as…" so they're there next time you open this page.
Osc 1
Osc 2
Osc 3
Filter
LFO
Envelope
Bitcrush
Drive
Delay
Reverb
Chorus
Phaser / Flanger
Master
Saturator
Arpeggiator
two rows, each with its own octave control · computer keys: A S D F G H J K L ; (white) · W E T Y U O P (black, lower row) · Z / X or ◀▶ shifts the lower row, upper row has its own ◀▶ · hold and drag across keys to glide in one press · poly mode lets chords ring and multi-touch too · turn on the arpeggiator below and held notes will arpeggiate instead of sounding directly
Sequencer
click empty space to add a note, double-click a note to delete it · drag a note to move it, drag its right edge to stretch · drag empty space to box-select, shift-click to add to selection · long-press or right-click a note for velocity/duplicate/delete · ctrl/cmd+C/V copy-paste, ctrl/cmd+D duplicate, delete/backspace removes
10 patterns, switch with the squares above · chain patterns into a simple arrangement to play them in order · record captures until you stop it, export pattern bounces one loop of the current pattern, export arrangement bounces the whole chain · both export mp3
Drum Machine
click a pad to play it live, click a grid cell to program a step, hit play and jam along · keys 1-7 trigger kick/snare/clap/lo tom/hi tom/closed hat/open hat · kit swaps the sound of every voice, not the pattern · shares tempo with the sequencer above — play/stop either side starts both together
Chopper
gross-beat-style time/volume mangler on the whole mix — off by default · click a step to cycle: off → gate → repeat → scratch → tape-stop · runs on its own clock synced to bpm whenever it's on, independent of the sequencer/drums · scratch/stop are delay-based approximations, not true reversed playback