MIDI Transform Workbench

Inspect and transform bounded Standard MIDI Files locally without playback or upload.

Technical transformation only: preview and audit describe event changes, not musical quality. Original imported events remain unchanged in memory; unknown meta and SysEx payload bytes are preserved.

SMF input

Format 0/1 MIDI file (10 MiB maximum)

Add ordered transform

TransformTrack scope (-1 all)Channel scope (-1 all)From tickTo tick (blank all)

Parameters JSON

File and preview summary

Choose an SMF file.

Bounded event preview

Track filterChannel filter

Track	Tick	Channel	Type	Before	After