ChordGen (https://www.chordgen.org/) generates chord progressions from an instruction describing a musical mood or genre and a chord count.

A language model offers three different progressions. Each proposal is played on an interactive piano with audio playback.

Drag-and-drop editing: adding, removing, or reorganizing chords before exporting.

Export in standard MIDI format, compatible with common production software (Ableton, FL Studio, Logic…).

Two pages that describe the genres (lo-fi, jazz, pop, EDM, R&B, etc.) and keys are included.

No account, free and unlimited. The account allows backup.