Free interactive tool
Virtual piano
Play a chromatic octave with user-triggered browser audio.
Open tool ↗Melqivora / interactive desk
Make room for discovery.
Choose a tool, practise a skill or create a plan. Everything here is free.
Free interactive tool
Scale explorer
Find major, minor, pentatonic and blues scale notes.
Open tool ↗Free interactive tool
Melody transposer
Transpose space-separated chromatic notes by a semitone offset.
Open tool ↗Free interactive tool
Reference tone
Play a reference frequency for comparison, without requesting microphone access.
Open tool ↗Free interactive tool
Interval ear training
Hear two notes and identify the interval.
Open tool ↗Free interactive tool
Tap tempo
Estimate BPM from repeated taps.
Open tool ↗Free interactive tool
BPM delay calculator
Convert tempo to quarter, eighth and dotted-eighth note delay times.
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