A musician's pocket toolkit.
Free, fast browser tools for songwriting, practicing, and the studio. No signup. Works on any device — even on a music stand.
Rhythm
3 toolsHarmony
4 toolsChord Finder
Find any chord on piano, guitar, or ukulele — and hear it.
Open tool → NewChord Progression Generator
Generate progressions in any key and style — pop, jazz, blues and more.
Open tool →Scale Explorer
Visualize and hear any scale — modes, pentatonics, exotic.
Open tool →Circle of Fifths
Interactive chart for keys, chords, and modulations.
Open tool →Tuning & Pitch
3 toolsPractice
3 toolsSpeed Trainer
A metronome that ramps tempo automatically — push your technique faster, gradually.
Open tool →Ear Trainer
Test interval and chord recognition. Track your accuracy and streak.
Open tool →Rhythm Trainer
Identify note lengths and rhythmic dictations by ear. Easy to hard, multiple time signatures.
Open tool →BPM to ms
Convert tempo to delay and LFO times instantly.
Open tool →Free forever
No signup, no paywalls, no upsells. Built to stay free.
Fast on any device
Works on phones, tablets, laptops. Even on a music stand.
Privacy-first
Audio is processed locally. Nothing leaves your browser.
What is BPM, and why does it matter?
A short, plain-English explainer covering tempo, time signatures, and how producers find the BPM of any song.
One useful practice tip per week
Plus a heads-up when we ship a new MusoKit tool. No spam, one-click unsubscribe.