Free MIDI and music tools
Open a file, solve a musical question, or build something new. Every tool works without an account; browser-only tools keep your source file on your device.
Private-by-default workflows
MIDI files & devices
5- Online MIDI PlayerPopularPlay a local MIDI with piano-roll, score, tab, track, and instrument views.
- MIDI SplitterSeparate a MIDI by its original tracks or channels and download the parts.
- MIDI MergerLayer or join several MIDI files into one validated Standard MIDI file.
- MIDI to JSON ConverterConvert MIDI to readable note or raw-event JSON and back again.
- MIDI Keyboard TesterInspect notes, velocity, pedals, controls, pitch bend, and aftertouch live.
Audio conversion
4- MIDI to WAV ConverterMix selected MIDI tracks and render a high-quality WAV in the browser.
- MIDI to MP3 ConverterPopularChoose tracks and instruments, then render and encode an MP3 locally.
- Audio to MIDI ConverterPopularDetect pitched notes in a recording and create a playable MIDI locally.
- Song Key FinderAnalyze a recording and compare its notes with all major and minor keys.
Notation & MusicXML
3Theory & creation
5- Chord Progression GeneratorBuild, hear, and download chord progressions in major and minor keys.
- Chord IdentifierChoose piano notes and identify exact or nearby common chord names.
- Scale FinderMatch selected notes to scales or browse and hear supported scale families.
- Music TransposerTranspose chord charts while preserving lyrics, extensions, and slash basses.
- Guitar Tab MakerWrite, hear, preview, and export six-string guitar tablature.
Ready for a complete arrangement?
Browse Songparts's public catalog to hear full multi-track MIDIs, inspect notation, and open a focused practice session.