AI-powered music tool

Harmony,
on demand.

Chordelia uses AI to generate beautiful chord progressions tailored to your key, mood, and style — from lo-fi jazz to cinematic orchestral.

Try it free → See it in action

No credit card required · Free plan available

C3 D3 E3 F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6 C#3 D#3 F#3 G#3 A#3 C#4 D#4 F#4 G#4 A#4 C#5 D#5 F#5 G#5 A#5
Main Settings
♩ G#
⊞ ADVANCED
🎸 BLUES
😢 SAD
Number of Bars
4
Progression View
Ab7
I
Db7/Gb
IV/bVII
Fm7
vi
Eb7#9
V
What you get

Everything you need to find
the perfect chord progression

Chordelia handles the theory — you handle the music.

AI-Powered Harmony

Generate rich, contextually aware chord progressions in any key, scale, and style. From classic ii-V-I jazz to dreamy lo-fi — with proper voice leading.

Instant Playback

Hear your progressions immediately with our built-in synthesizer. Adjust tempo, swing, and voicing without leaving the page. No DAW needed.

Export Anywhere

Download as MIDI or copy Nashville Number System notation. Drop straight into Ableton, Logic, or GarageBand.

How it works

From idea to progression in seconds

1

Choose your key & mood

Select a key, scale, genre, and how many bars you need. Jazz, pop, blues, rock — 15 styles to explore.

2

Generate progressions

Our AI creates multiple harmonically rich progressions for you to choose from — each with Roman numeral analysis so you can learn as you create.

3

Tweak, play & export

Audition each option, swap individual chords, adjust the tempo and voicing, then export as MIDI when you're ready.

Free to start · No credit card required

Ready to find your sound?

Join thousands of producers and songwriters generating beautiful chord progressions in seconds.

Try it free Open the app →
✦ AI-generated progressions 🎹 Built-in piano playback ↓ MIDI export 🎸 15 styles
Pricing

Start free, go further when you're ready

Free
$0/mo

Everything you need to explore chord progressions and find your sound.

  • 10 generations per day
  • 5 styles (Pop, Jazz, Classical, Rock, Blues)
  • Instant playback
  • MIDI export
  • Session history
  • API access
Get started free
Pro
$5/mo

Unlimited generations, every style, and professional export formats.

  • Unlimited generations
  • All 15 styles
  • Instant playback
  • MIDI export
  • Session history (unlimited)
  • API access
Start free trial
FAQ

Questions? We've got answers.

Do I need to know music theory to use Chordelia?
Not at all. Chordelia is designed for musicians of every level. Pick a key and mood, and we handle all the harmony. Roman numeral labels are there if you want to learn, but they're never required.
What file formats can I export to?
Pro users can export MIDI files compatible with Ableton, Logic Pro, GarageBand, FL Studio, and more. All users can copy Nashville Number System notation.
Can I use generated progressions in commercial music?
Yes, absolutely. All progressions generated by Chordelia are yours to use however you like — including commercially released music. No attribution required.
Is there really a permanently free plan?
Yes. The free plan doesn't expire and doesn't require a credit card. You get 10 generations per day — enough to explore and experiment freely.