Small tools. Immediate answers.
Generate a MIDI clip, calculate a phrase, or fix a sound problem without an account. Everything works in your browser and asks only for what it needs.
Free · No sign-up · Nothing uploaded
Stem splitter
01Vocal remover and stem splitter
Separate vocals from a song for free, or unlock a five-stem studio split for a dollar.
Deterministic MIDI
02Free MIDI generator — chords, melody, bass and drums
Choose the rules, hear the result, and download editable MIDI. The same settings and idea always make the same notes.
Music timing
03Bars-to-time calculator
Turn tempo, meter, and bar count into an exact duration—then hear the phrase counted out.
Tempo sync
04BPM to Milliseconds Calculator
Choose a tempo, note value, and feel. Get the exact delay, reverb pre-delay, or modulation time in milliseconds.
Mac audio
05Mac audio troubleshooter
Choose what sounds wrong and follow a short, focused path to the most likely fix.
Private by default.
No account, no uploads, and no hidden scan of your Mac. These tools calculate from the choices you make on this page.