MIDI Recorder
Record MIDI performances with live visualization and playback features in MIDI Recorder.
About MIDI Recorder
MIDI Recorder is a web page for recording performances from a MIDI keyboard. It shows notes live as they are played and can export the recording as a standard MIDI file. Visualization settings control the key layout, color theme, note movement direction, and 3D view. Recordings can be recovered after a crash if the browser allows site storage or cookies.
The page supports only one MIDI channel, so split or dual-instrument setups will not work. Aftertouch pressure and miscellaneous MIDI events are not recorded. The page states that MIDI access requires Chrome, or another browser with the Jazz-Soft Web MIDI API extension. The homepage also states that no data is sent to any server.
Key features
- Live MIDI visualization while recording
- Standard MIDI file export
- Crash recovery using site storage or cookies
- Records note velocity, pitch bends, sustain pedal, and instrument changes
- Visualization settings for key layout, theme, hue, and note direction
- Options saved in the page URL
Best for: Musicians who want to record MIDI keyboard performances in a web browser and export them as standard MIDI files.
Good for
- Records note velocity, pitch bends, and sustain pedal
- Exports recordings as standard MIDI files
- The homepage states that no data is sent to any server
Watch out for
- Aftertouch pressure and miscellaneous MIDI events are not recorded
- Only one channel is supported, so split or dual-instrument settings do not work
- Pitch bend range is assumed to be ±2 semitones
MIDI Recorder at a glance
- Website
- midi-recorder.web.app
- Category
- Music & Audio › Audio Editing & Production
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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MIDI Recorder FAQ
Can I recover a recording if the browser crashes?
The homepage lists crash recovery, which requires site storage or cookies. A Recover Recordings option is shown on the page for restoring recordings.
What should I check if my MIDI keyboard does not appear?
The homepage suggests making sure the device is plugged in and turned on, refreshing the page, unplugging and reconnecting the device, and restarting the computer.
Does the recorder send my performances to a server?
The homepage states that no data is sent to any server. Crash recovery stores recordings using site storage or cookies in the browser.
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