Super Time Ultra

Euclidean Rhythm Generator Online

Make Euclidean rhythms online with evenly spaced pulses, Bjorklund patterns, tresillo, cinquillo, bossa nova presets, playback, MIDI export, and shareable links.

Make evenly spaced Bjorklund rhythms, listen for the groove, and move from a pattern idea to a playable musical phrase.

What this tool includes

Shape the rhythm

Set steps, pulses, rotation, and BPM without installing a plugin or downloading a desktop tool.

Use known patterns

Try tresillo, cinquillo, bossa nova, bell, and other presets before creating a custom pattern.

Play the result

Export MIDI, share the pattern, or open Hand Jam for two-handed chords, melody, beats, and synth shaping.