Chords, scales and pedal moves for steel guitar, guitar, mandolin, bass and piano. Completely free, no ads, no account.

What's not here
What you get
I through vii° in any key, plus 7ths, 9ths, sus and the country chords like II7 and ♭VII.
Pedals and knee levers on E9 and C6. Pick a copedent or build your own, and see exactly which pedals make each chord.
Light up any scale, chord or note across the whole neck. Pentatonic boxes, 3rds and 6ths, and every mode.
Change chords and arrows show which fingers move and which stay put.
Tap the chords a song uses and it tells you the key and the numbers.
Classic chord boxes for guitar, mandolin and bass. Steel tab with string numbers and pedals.
A clean one-page sheet of any key. Preview it first, then print or save a PDF.
Star the voicings you love on any instrument and print them as your own cheat sheet.
A giant chord name and the neck, readable from a music stand.

Explore
Switch the neck to numbers and every scale becomes a shape you can move to any key. Lay a scale over a chord and see which notes fit before you play them.
Every instrument, free
Real copedents, pedals and knee levers. Edit your own setup.
6 and 8 string, B11, open tunings and more.
Standard, Drop D, DADGAD, open G, D and E.
Standard plus cross tunings for fiddle tunes.
Arpeggios for bass. Both hands, inversions and the staff for piano.
Made for players
See the move. A+B turns the I into the IV right on the neck, and the app tells you which pedals make every chord.
Print the chords for any key on any instrument and hand it to a student.
Flip chord names to Nashville numbers with one tap.
Big view puts a giant chord name and the neck on your music stand.
Tap its chords and Find key tells you the key and the numbers, then takes you there.
Get the app
It gets its own icon, opens full screen, and works without signal.