MIDI Track Splitter

Separate a local MIDI file by its original tracks or active channels, then download one MIDI or a ZIP — without uploading the file.

Split a MIDI file

Separate a Standard MIDI file by its original tracks or active MIDI channels, then download exact parts.

No upload

Choose a .mid or .midi file up to 10 MB. The file stays in this browser.

Drop a MIDI file here or browse

.mid/.midi · up to 10 MB

Choose a MIDI file to begin.

How to split a MIDI file

  1. 1. Choose the MIDI. Select or drop a .mid or .midi file. The splitter inspects its format, tracks, channels, notes, events, and timing locally.
  2. 2. Choose the grouping. Keep the detected recommendation or switch between Original tracks and MIDI channels when both are available.
  3. 3. Download the parts. Download any part as an individual format-0 MIDI, or select several parts and package their exact files in one ZIP.

Original tracks versus MIDI channels

Original tracks follow the file's existing musical organization. They are usually the right choice when a format-1 file already has separate piano, bass, drum, or arrangement tracks. Track names, lyrics, text, prefixes, and track-local setup data stay with that source track.

MIDI channels gather channel messages from across the file. This helps when one source track carries several instruments on different channels, especially in format 0. If a source track uses multiple active channels, its arbitrary track-level text and SysEx cannot be assigned reliably and are not guessed into one channel.

MIDI format 0, 1, and 2

Format 0
All events share one source track. Splitting by channel often gives the most useful separation when several channels are active.
Format 1
Multiple synchronous tracks share one timeline. Original tracks are usually the safest starting point, while channel mode can regroup channel messages across those tracks.
Format 2
Each track is an independent sequence with its own timeline. The splitter keeps those sequences separate and disables channel mode instead of silently combining unrelated timing.

What the splitter preserves

Notes keep their pitch, velocity, order, and absolute musical timing. Program changes, all controller numbers, pitch bend, note aftertouch, and channel aftertouch remain intact for the selected track or channel. Tempo, time signatures, key signatures, SMPTE offsets, markers, cue points, and supported conductor setup events are included where they apply.

Original-track mode preserves the selected track's local metadata and setup events. Channel mode also preserves that material when a source track has exactly one active channel. It omits unassignable names, lyrics, prefixes, text, and SysEx from multichannel tracks rather than attaching them to the wrong part.

MIDI tracks are not audio stems

MIDI stores notes and performance instructions. It does not contain recorded vocals, drum audio, or instrument waveforms, so splitting MIDI does not perform source separation on an audio recording. To hear a local MIDI before working with it, open the MIDI Player. To create ordinary audio with General MIDI sounds, use the MIDI to WAV.

DAW, practice, and ZIP workflows

Individual MIDI downloads are useful for importing one part into a DAW, notation editor, hardware sequencer, or practice app. When you select several parts, the ZIP contains those same individually named MIDI files so they can be unpacked and imported together.

Format-0 and format-1 outputs retain the original file's final timeline length, including trailing silence, so separately imported parts stay aligned. The tool keeps selected source events in their original same-tick order while placing shared conductor context first; it does not add audio, quantize notes, or choose new instruments.

Private, local, and bounded

The MIDI is read, parsed, split, and packaged in your browser. Nothing is uploaded or stored, and the filename and selections disappear when you reload or leave. The splitter accepts .mid and .midi files up to 10 MB, with at most 256 source tracks and 500,000 events. It supports Standard MIDI format 0, 1, and 2 with valid PPQ or SMPTE timing and at least one channel event.

MIDI Splitter FAQ

How do I split a MIDI file into separate tracks?
Choose a .mid or .midi file, review the detected parts, keep Original tracks selected, and choose the tracks you need. Download one part as a MIDI file or select several parts to download them together in a ZIP.
Should I split by original tracks or MIDI channels?
Use Original tracks when the file already separates musical parts into useful source tracks. Use MIDI channels when several parts share a track but use different MIDI channels. Channel splitting cannot safely assign track-level text or SysEx from a source track that contains multiple active channels.
What is the difference between MIDI format 0, 1, and 2?
Format 0 stores all events in one track, so channel splitting is often useful. Format 1 stores synchronous tracks that share one timeline. Format 2 stores independent sequences, so the splitter offers Original tracks only and does not combine their timelines by channel.
Are tempo, time signatures, and key signatures preserved?
Yes. Tempo, time-signature, key-signature, SMPTE, marker, cue, and supported conductor setup events are carried into relevant outputs. Format 0 and 1 parts keep the original file's ending alignment, while format 2 parts keep their own sequence length.
Are program changes, controllers, pitch bends, and aftertouch preserved?
Yes. Original-track outputs preserve every selected track event except its old end marker. Channel outputs preserve the selected channel's notes, program changes, all controller numbers, pitch bends, note aftertouch, and channel aftertouch.
Can this separate vocals, drums, or instruments from an audio recording?
No. MIDI contains notes and performance instructions, not recorded audio. This tool can separate existing MIDI tracks or channels, but it cannot extract vocals, drums, or instrumental stems from an MP3, WAV, or other audio recording.
Is my MIDI uploaded or stored?
No. The selected MIDI is read, inspected, split, and packaged in your browser. It is not uploaded, transmitted, saved to an account, or stored after you leave or reload the page.
What files and limits does the MIDI splitter support?
It supports Standard MIDI .mid and .midi files in format 0, 1, or 2 with valid PPQ or SMPTE timing. A file can be up to 10 MB and contain up to 256 source tracks and 500,000 events, with at least one MIDI channel event.

Continue working with the music

  • MIDI Player — inspect and play a local MIDI with piano-roll, score, and tab views.
  • MIDI to WAV — render a local MIDI as downloadable stereo audio.
  • Music Transposer — change recognized chord-chart text to another key.
  • Guitar Tab Maker — write a six-string tab and export Guitar Pro, MIDI, or text formats.