Gratis MIDI-editor Online
Rediger MIDI-noter, justér timing og opret melodier med vores web-baserede MIDI-editor.
Drop a MIDI file here to get started
Supports .mid and .midi files
Hvad er MIDI?
Forstå MIDI-musikdata
MIDI (Musical Instrument Digital Interface) er et standardformat til musikdata, der gør det muligt for musikudstyr at kommunikere.
Noter Redigering
Rediger individuelle MIDI-noter med fuld kontrol over timing og tonehøjde.
Pianorulle-visning
Se dine noter i en klassisk pianorulle-layout for nem navigation.
Tempo-justment
Skift BPM og taktart uden at ændre stillingen af dine noter.
Instrument-valg
Vælg fra hundredvis af instrumenter til afspilning.
Undo/Redo
Ubegrænset undo og redo til at eksperimentere frit.
MIDI-eksport
Eksporter som standard MIDI-fil kompatibel med alle DAW'er.
Producers
MIDI Editor for Music Producers
Fine-tune every note before export
Producers use the midi editor to polish MIDI tracks before importing into their DAW. The piano roll makes detailed note editing fast and visual.
Composers
Piano Roll for Composers
Compose and arrange without a DAW
Composers sketch ideas in the midi editor and export finished MIDI tracks. Edit midi files on any device with just a browser.
Students
MIDI Editor for Students
Learn music theory hands-on
Students load songs into the midi editor to study chords, scales, and arrangements visually. The piano roll makes learning intuitive.
Live
Quick Fixes for Live Performers
Patch MIDI tracks on the go
Live performers use the midi editor backstage to fix wrong notes in their files. Edit midi data on a laptop minutes before showtime.
How to Use the MIDI Editor
Edit MIDI tracks in four easy steps
1
Upload a File
Open the midi editor and drag in your file to start working on the piano roll.
2
Edit Notes
Click and drag notes to change pitch, timing, and length on the grid.
3
Adjust Velocity
Use the velocity lane to control how hard each note plays in your MIDI tracks.
4
Export MIDI
Download the finished midi files and import them into your DAW or synth.
Why Choose the MIDI Editor
The fastest way to edit midi online
Our midi editor gives you professional midi editing tools with zero install and zero cost.
No Software Install
Runs in your browser — works on Mac, Windows, Linux, and Chromebook with no download.
Fast Piano Roll
Renders the piano roll at 60fps for smooth, lag-free midi editing on any device.
Standard MIDI Format
Reads and writes standard .mid files compatible with every major DAW on the market.
Undo & Redo
Every change is reversible — experiment freely with your MIDI tracks and arrangements.
Keyboard Shortcuts
Speed up midi editing with hotkeys for copy, paste, select, and delete operations.
Private & Secure
Your files never leave your browser. All processing happens locally on your device.
MIDI Editor FAQ
Ofte Stillede Spørgsmål
A midi editor is a tool that lets you view, edit, and arrange MIDI tracks using a piano roll interface. Ours works entirely online.
Yes. Standard .mid files exported from any DAW are supported. Import, edit, and re-export with ease.
Yes, the core features are free. Premium plans add batch midi editing and advanced quantize options.
Yes. The midi editor handles up to 16 MIDI tracks simultaneously with separate piano roll lanes.
Yes. Start with a blank canvas and draw notes directly on the piano roll to build midi files from zero.
Edit MIDI Files Right Now
Open the midi editor and start midi editing your MIDI tracks with our free piano roll — no download needed.