Interactive Tools for Guitar, Ukulele, Bass, Piano & 7 Folk Instruments

Scales, chords, arpeggios, harmonizers, and jazz & Latin standards with backing tracks — all with 14 alternate tunings, custom tuning mode, and available in all 12 keys. Music theory tools for improvisation, songwriting, and composition. 100% free, no signup.

92Scale Types
40Progressions3208Standards
14Tunings
11Instruments
100%Free
Progressions & Standards

Not backing tracks. Built for practice.

Play and study live: chord progressions across pop, rock, blues, jazz-soul, doo-wop, flamenco, classical, film and game music, plus jazz and Latin standards —bossa nova, salsa, bolero, son and tango. While the backing plays, the neck shows the arpeggio, voicings and scale for each chord, in all 12 keys and 11 instruments.

If you find these tools useful, consider supporting the project

Buy Me A Coffee

Learn & Practice Scales

Explore 92 scale types across all 12 keys with interactive fretboard diagrams. Each scale includes practice routines, CAGED positions, 3-notes-per-string patterns, diatonic chords, modes, pentatonic variations, and genre context. Ideal for improvisation and music theory study. Available in 14 alternate tunings (Drop D, DADGAD, Open G, 7-string, 8-string...) plus custom tuning mode.

Guitar Scales

94 scale types across all 12 keys — major, minor, pentatonic, blues, all 7 modes, jazz, and exotic world scales. Each with practice routines, CAGED positions, tablature patterns, and diatonic chords. Essential for improvisation and music theory.

Explore

Ukulele Scales

Every scale type adapted for ukulele fretboard — from beginner pentatonic patterns to advanced melodic minor modes. Interactive fretboard diagrams with fingering suggestions for improvisation.

Explore

Bass Scales

Scale diagrams optimized for 4-string bass — walking bass lines, pentatonic patterns, blues scales, position shifts, and groove-ready fingerings across the entire neck.

Explore

Piano Scales

Interactive piano keyboard diagrams with grand staff notation. See scale degrees, intervals, and fingering for every scale type.

Explore

Guitar Arpeggios

Arpeggio diagrams for guitar — triads, sevenths, ninths, and more. Sweep picking patterns and CAGED position fingerings.

Explore

Ukulele Arpeggios

Arpeggios adapted for the ukulele fretboard — picking patterns for fingerpicking and melodic accompaniment.

Explore

Bass Arpeggios

Bass guitar arpeggios — walking bass patterns, chord connections, and fingerings for fluid bass lines. Great for jazz improvisation and songwriting.

Explore

Find Chords & Voicings

Compose & Harmonize

See all diatonic chords for any scale with multiple harmony and display modes. For each chord you can view its arpeggio, scale, and voicings on the fretboard. Explore 40 famous chord progressions — each in all 12 keys — or create your own with built-in drum machine, walking bass lines, and MIDI export. Essential music theory tools for songwriting.

Guitar Scale Harmonizer

Input any scale and get all diatonic chords with multiple harmony modes. Click any chord to see its arpeggio, scale, and voicings on the fretboard. Switch between display modes to understand harmony from different angles.

Explore

Ukulele Scale Harmonizer

Diatonic chords for any scale on ukulele — triads, seventh chords, and practical voicings. View the arpeggio and scale for each chord directly on the fretboard.

Explore

Chord Progressions

40 progressions in all 12 keys — Pop, Jazz, Blues, Rock, Flamenco. And as they play, the fretboard lights up with the scale, arpeggio and voicings for each chord. Bar looping, Roman numerals and MIDI export.

Explore

Custom Progressions

Build your own chord progressions with interactive drum machine, walking bass lines, and MIDI export. A complete songwriting tool — export to your DAW and keep composing.

Create

Play Standards with Backing Tracks

Practice Tools

Online Metronome

Online metronome with tap tempo, Latin claves, time signature patterns, and progressive training mode. Essential practice tool for any musician.

Explore

Online Tuner

Tune your guitar, bass, ukulele, or any stringed instrument with the real-time chromatic tuner.

Explore

Circle of Fifths

Interactive circle of fifths — visualize key relationships, find relative major/minor keys, explore diatonic chords, and understand music theory at a glance. Great for songwriting.

Explore

Browse by Instrument

Articles

Loading articles...