MIDI Viewer Online - Music File Inspector

View MIDI file structure, tracks, and events. Inspect notes, instruments, tempo changes. Browser-based MIDI analyzer, works offline.

Drop MIDI file here or click to browse

.mid, .midi files

File Info

Load a MIDI file to see details

Tempo & Time

Tracks

No tracks loaded

Piano Roll Preview

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Frequently Asked Questions

MIDI (Musical Instrument Digital Interface) files store musical performance data, not audio. They contain note events, timing, instrument choices, and control messages.

File format, number of tracks, tempo, time signature, key signature, track names, instrument assignments, note events with timing and velocity.

Standard MIDI File (SMF) formats 0 (single track), 1 (multiple tracks), and 2 (independent patterns). Most MIDI files use format 1.

This viewer focuses on inspection and analysis. For playback, use dedicated MIDI players or DAW software with proper sound fonts.

MIDI has 16 channels (0-15). Channel 10 (9 in zero-indexed) is reserved for percussion. Each channel can have different instruments.

MIDI uses ticks relative to tempo. The viewer shows tick positions and converts to musical time (bars:beats:ticks) based on time signature.

Program Change messages set instruments (0-127 General MIDI sounds). The viewer shows which instrument is assigned to each track.

No. All parsing happens locally in your browser. Your MIDI files never leave your device, ensuring complete privacy.

CC messages control parameters like volume (7), pan (10), sustain pedal (64), modulation (1). Important CC events are listed.

This viewer is read-only for analysis. For editing MIDI, use sequencer software like Reaper, FL Studio, or free alternatives.

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