What is MIDIGEN?
MIDIGEN is a no-registration, no-subscription online MIDI melody-generation tool designed for musicians and producers. It can instantly generate original, commercially usable MIDI files with no limits on usage or watermarks. Its core combines algorithmic composition with music-theory principles, supporting customizable key, tempo, and complexity settings. The output is clean, editable MIDI data suitable for various styles, including pop songs and video-game soundtracks. All generated content comes with full commercial usage rights, eliminating concerns about copyright risks.
Key features
It supports real-time generation of royalty-free MIDI melodies and chord progressions, and the output files can be freely edited in any digital audio workstation (DAW).
It provides harmony-pattern analysis based on music theory, covering multiple genres to help users overcome creative blocks and visually understand tonal relationships.
Use cases and audience
It is aimed at musicians, producers, aspiring composers, and music educators.
- Generate chord progressions for pop music production.
- Generate melodic ideas for game soundtracks
- Playable example demonstrations in music theory instruction
Settings include key, tempo, complexity, and other parameters.
Editable standard MIDI files containing both melody and chord progression data.
Frequently asked questions
Do you need to register or log in to use this service?
No registration or login required—ready to use out of the box
Can the generated MIDI be used in commercial projects?
Yes, all generated MIDI files come with full commercial usage rights.
How to use
- 01
Click the “Launch” button on the webpage to start the tool
- 02
Select your desired key, tempo, and complexity settings
- 03
Generate a MIDI melody or chord progression
- 04
Export as a standard MIDI file and edit it in any DAW
Pricing and availability
Completely free—no subscriptions, no watermarks, no limits on the number of uses, and no monthly or annual payment cycles.
- Pricing source
- https://midigen.app/
- Pricing last updated
- 2026-10-30
Prices and limits may change. Check the official website for current terms.
Official website & sources
Updated on 2026-10-31
