Turn MIDI into in-game performance
Import a MIDI file and turn it into game keyboard input that plays itself.It all runs locally — free to use, with a one-time Pro purchase when you need the advanced features.
Buy Pro once on Ko-fi for a fixed US$3 to unlock it. Your activation code is sent by email.
Features
Convert once, replay any time
Turn a MIDI into keyboard actions and let it play. Songs you play often can be saved as markers, lined up in playlists, or forked into custom scripts so you can pick them up again next time.
Import MIDI, convert locally
Drop in a MIDI file and it turns into game keyboard actions, with repeated key actions merged automatically. Pick a 15 / 22 / 37-key layout (37-key is Pro) and a conversion style like Flow, Pulse, or Lift.
Play with the game window focused
Playback keeps the game window focused; lose focus and it pauses automatically and saves your position, so you can pick up right where you left off.
History and notes
Every performance leaves a record you can annotate and favorite, making it easy to organize the songs you play often.
Start from markers
Save choruses and showcase sections as reusable start points, then jump straight in from a marker next time.
Playlists
Organize conversions into a list you can reorder and resume playing from any item.
Custom scripts (fork & edit)
Fork an editable script from any conversion, fine-tune the actions freely, and play it directly. The original conversion is untouched, so edits stay safe and reversible.
Free vs Pro
Pro unlocks advanced performance
The free version imports, converts, and auto-plays with the 15- and 22-key layouts, plus history and favorites.Pro unlocks the 37-key layout, pause and resume, speed control, markers, playlists, and custom scripts.
| Feature | Free | Pro One-time |
|---|---|---|
| Local MIDI import | ||
| MIDI conversion | ||
| Auto-play | ||
| 15-key layout | ||
| 22-key layout | ||
| 37-key layout | ||
| Basic playback controls (start / stop) | ||
| Advanced playback controls (pause / resume / scrub) | ||
| Real-time speed control (0.25x – 4x) | ||
| Playback history | ||
| Resume from a history breakpoint | ||
| Start playing from a chosen time | ||
| Markers: save frequently used sections | ||
| Playlist: auto-play multiple scripts in order | ||
| Custom scripts: edit actions and wait times | ||
| Notes and favorites |
Pricing
Buy once — no account, no subscription
Buy Pro on Ko-fi at a fixed price to unlock every advanced feature forever.No monthly fee, no auto-renewal.
Fixed price ・ unlock once ・ lifetime use ・ no account
Buy Pro on Ko-fi at a fixed price to unlock it. Your activation code is emailed to you; buy several copies at once to gift them and each one gets its own code.
Download the free version firstAbout refunds
This product is a digital license. Once payment succeeds, your activation code is emailed to you, so refunds are not offered.
We recommend downloading the free version and trying it out first to confirm it fits your needs and your computer, then buying Pro.The free version is full-featured and has no time limit.
Use the free version as long as you like, then upgrade once you are sure
Your activation code is emailed to you after payment
Switching computers? Contact us to help reset the binding
FAQ