Free Browser MIDI Editor
Fire up the editor whenever inspiration hits. The layout is tuned for precision editing, fast looping, and instant playback so you can audition progressions before committing them to a full DAW session.
Whether you are building lesson plans, sketching a topline, or refining a bass groove, the MIDI editor keeps every part of your workflow in the browser alongside Song Maker, Rhythm Maker, and the rest of our creative tools.
Stay in the zone with a sequencer that handles precision edits, layered arrangements, and live auditioning without leaving your browser.
Focus on the notes that matter with a distraction-free grid, full-height timeline, and precise zoom controls.
Draw, drag, and stretch notes exactly where you want them. Every adjustment updates instantly with playback.
Lock ideas to any subdivision. Tighten grooves, explore polyrhythms, or slow things down for detailed editing.
Organize parts into clear tracks so you can contrast melodies, bass lines, and percussive hits without clutter.
Hear every note as you edit with zero rendering time. Iterating chords, voicings, and rhythms stays effortless.
Add the editor to your dock or home screen for offline-ready composing sessions on any device.
Map out melodies, bass lines, harmonies, and drum hits in one sitting. The MIDI editor keeps everything visually organized so you can make confident arranging decisions before sending parts to your preferred DAW.
01
Sketch
02
Refine
03
Export
The MIDI Editor is a browser-based piano roll that lets you sketch melodies, chords, and drum parts on a detailed grid. It fills the gap between quick Song Maker sketches and a full DAW so you can refine ideas without leaving the browser.
No. The editor lives at freesongmaker.org/midi/editor.html and loads instantly in any modern browser. There are no downloads, plug-ins, or logins required—just open the page and start writing MIDI.
Yes. The interface is responsive and touch-friendly, so you can edit MIDI clips on tablets or laptops while keeping precise control on desktop screens.
Educators love the editor because students can visualize pitch relationships, rhythm grids, and patterns in real time. It makes demonstrating songwriting concepts far easier than relying on sheet music alone.
You can capture structured patterns, dial in timing, and audition voicings before exporting the MIDI data into your DAW. This keeps your creative flow intact and reduces editing once you move to a production environment.
Absolutely. Like every tool on Free Song Maker, the MIDI editor is free to use with no hidden costs or subscription upsells.
Build expressive MIDI clips directly in your browser with a full-screen piano roll that keeps you in the creative zone.
Discover our complete suite of free music creation tools, each offering a unique creative experience

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Collaborate in real-time with musicians worldwide and play piano together

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Tap tempo instantly, view stability scores, and learn musical tempo markings without leaving your browser