AceStep Logo AceStep.io

Free to start: try up to 2 songs/day. No credit card required.

Build chord progressions that actually sound good

Pick a key, a mood and a genre — get a chord progression with voicings, MIDI export and audio preview in seconds.

Free to start. Try up to 2 songs/day. No credit card required.

What Is the AI Chord Generator?

Voice-Leading Done Right

Smooth voicings that move chord-to-chord without awkward leaps — perfect for piano, guitar and pads.

Genre-Appropriate

Pop, jazz, R&B, country, EDM, lo-fi and more — each genre gets its own voicing palette and progression style.

MIDI + Audio

Export MIDI files for any DAW or play the audio preview directly in your browser.

Key Features

Music Theory

  • Major, minor, modes, harmonic minor, exotic scales.
  • Voice-leading optimization across chord changes.
  • Cadence detection — perfect, plagal, deceptive, half.

Customization

  • Lock key, time signature, length and BPM.
  • Choose chord vocabulary: triads, 7ths, 9ths, sus, add9.
  • Substitution mode — find alternative chords for an existing progression.

Output

  • MIDI download for any DAW.
  • Audio preview with piano, guitar or strings.
  • Royalty-free for commercial productions.

Why Use Our AI Chord Tool

Instant Drafts

Get progressions in 5 seconds — re-roll until perfect.

Theory-Aware

Voice leading and cadences handled automatically.

Genre Flex

Pop, jazz, R&B, classical and more — all native styles.

MIDI Export

Drop progressions into your DAW with one click.

Substitutions

Discover unexpected chord swaps that elevate your song.

Royalty-Free

Use generated progressions in commercial releases.

FAQ: AI Chord Generator

Can I export MIDI?

Yes. Every progression includes a downloadable MIDI file with proper voicings.

Does it support unusual keys?

Yes — all 12 keys plus modes, exotic scales and microtonal options.

Is it free?

Yes — start free, paid plans unlock more progressions and longer sequences.

Generate Your Next Progression

Pick a key, pick a vibe, and let the AI hand you a usable chord progression in seconds.

Generate Chords