KeyriffChord finder
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Press keys. See the chord.

Keyriff is a free piano chord finder. It names the chord you're playing, remembers the ones you like, and turns them into a practice sheet you can play back.

Cmaj7

Press a few keys, or use the A to K row of your keyboard. Press a lit one to release it. Tap a few keys. Tap a lit one to release it. R marks the root, the note the chord is named after.

Open the app

How to read chord namesRead the questions

Then it keeps what you found

The keyboard above is the quick version.

  1. Am7 named in large type, with “A minor seventh: root, minor 3rd, 5th, minor 7th” under it, above a keyboard where A3, C4, E4 and G4 are lit and labelled R, b3, 5 and b7.See the whole screenSee the whole screenSee the whole screenSee the whole screen

    Find a chord

    Press three or more keys with the mouse, a touchscreen, or your computer keyboard. The name appears as you play.

  2. The chord library, holding chords renamed “the sad one” and “the lift”.See the whole screenSee the whole screenSee the whole screenSee the whole screen

    Keep it

    Save the ones you want and they go into your chord library. You can rename them too, so “the sad one” works as well as Cmaj7.

  3. A Verse section with the chords “home” (C) and “the turn” (G) as cards.See the whole screenSee the whole screenSee the whole screenSee the whole screen

    Build a sheet

    Drag saved chords into sections, set the tempo and the repeats, then press play and follow along on the keyboard.

What’s in it

Suggestions for what comes next

Hold a chord and Keyriff offers the ones that usually follow it in your sheet's key, after “next” beside or under its name. Tap one to put it under your hands.

PDF you can print

Export a sheet with a small keyboard diagram for every chord and each section's tempo, plus the key and Roman numerals once you've set one.

One file holds everything

Back up every sheet and your whole chord library to a single file, and open it again to put it all back. Nothing here is uploaded, so a file is the copy that survives clearing your browsing data.

Also

  • Share a sheet by link
  • Play from a MIDI keyboard
  • Keyboard shortcuts
  • Tempo per sheet, per section and per chord
  • Dark and light themes
  • Loop playback
  • A bar counted in before the sheet plays
  • Chords played together, rolled or as arpeggios
  • Set the sheet's key, or let it be detected
  • Transpose a copy of a sheet into another key
  • Copy a sheet as a text chord chart
  • Works offline after one visit

The same app on a phone

The keyboard scrolls, a section reads left to right like a bar of music, and the controls are sized for fingers.

  • The library never covers the keys

    Saved chords sit in a tray at the top of the sheet. Opening it makes room instead of covering anything.

  • Long-press to drag

    A swipe scrolls the row; holding a chord card picks it up, so you can move it to another section.

QR code for https://app.keyriff.com

Scan to open it on your phoneapp.keyriff.com

Keyriff on a phone with Am7 held and the chord library closed. Am7 is named above the keyboard with “A minor seventh: root, minor 3rd, 5th, minor 7th”, and the held keys, A3, C4, E4 and G4, are lit and labelled R, b3, 5 and b7. Above that, the Autumn Sketch sheet shows Verse and Chorus sections of chord cards nicknamed “home”, “the turn”, “the sad one” and “the lift”.
The same phone with the chord library open at the top, above the sheet and clear of the keyboard, showing the saved chords “the sad one” and “the lift”. Am7 is still held and named below, with Dm, F, G and Em suggested as what comes next.
The same sheet on a phone with Am7 held, and the chord library closed and then open at the top.

Find out what that chord is called

The one you keep playing but have never looked up. It takes about four seconds.

Open the app

Or look it up here: 180 chords, each with its inversions, 9 progressions in all 12 keys, and a chord chart you can print.