Intuitive Piano Roll
Edit notes with simple drag-and-drop — adjust pitch, length, and velocity in seconds.
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AI MIDI Editor Online — Let Your Notes Flow
Upload or create a MIDI file in your browser. Drag notes, adjust timing and velocity, and shape your music with ease. Preview instantly and export anytime.
All-in-One MIDI Editing Online Free
Edit notes, switch instruments, and apply AI tools — everything you need to shape your music, in one place.
Multi-Instrument Playback
Preview your MIDI with piano, guitar, strings, or drums to hear your ideas in different sounds.
MIDI & MP3 Export
Save your work as MIDI for DAWs or export an MP3 preview to share and listen anywhere.
Browser-Based & Secure
No installation needed; everything runs locally, keeping your files private and accessible anywhere.
How to Use Our AI MIDI Generator
Get started in just four steps — from uploading to exporting, editing MIDI has never been easier.
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Step 1: Upload or Start New
Upload an existing MIDI file or create one from scratch.
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Step 2: Edit Notes
Drag, add, or delete notes; adjust timing, velocity, and chords.
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Step 3: Refine Music
Use built-in tools to polish timing, dynamics, and overall structure.
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Step 4: Preview & Export
Try different instruments, listen in real time, and export as MIDI or MP3.
Common Questions About Editing MIDI Online
Get answers to common questions on editing, exporting, instrument playback, and file compatibility.
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Q1: Is the MIDI editor free?
A: Yes — core editing features are free. We may offer additional advanced tools in future versions.
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Q2: Can I input via a MIDI keyboard?
A: Not yet. MIDI keyboard input is not supported at this time; editing is done by dragging and manipulating notes in the interface.
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Q3: Is my file private?
A: Yes. Everything runs in your browser. Your file stays on your device.
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Q4: Can I preview different instrument sounds?
A: Yes — the editor preview includes multiple instrument voices that you can switch between in real time.
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Q5: What kinds of MIDI files are best for this editor?
A: It's ideal for medium-complexity single-melody or small multi-track MIDIs. For very complex orchestration, use a full-feature DAW for finish work.