MusicTool kmra.dev

Tune, keep time and practise

A tuner, a metronome, chords, scales and ear training, all in your browser. Start the metronome below.

96BPM · Andante

Full metronome Open the tuner

Music tools

Free, quick, and everything runs in your browser.

Microphone, any instrument

BPM, time signatures

Find a song's BPM

Tone generator

Any frequency or note

Practise against a note

Diagrams in every key

Fretboard and piano

Ear trainer

Intervals and chords

Browse all 8 tools

Popular tasks

Ready-made settings for your instrument and practice.

Guitar tunerStandard EADGBE Ukulele tunerGCEA Bass tunerEADG, 4 and 5 strings Violin tunerGDAE Cello tunerCGDA Drop D tuningDADGBE Practice metronomeStart at 60 BPM 6/8 metronomeCompound time 440 Hz toneA4 tuning note Ukulele chordsEvery key All 10 use cases

What you play stays on your device

Everything runs in your browser.

Runs on your device
Works offline
No sign-up
No watermark