Upload MIDI File

Drag & drop a .mid file here, or click to select

Upload MIDI File

Drag & drop a .mid file here, or click to select

Supports Format 0 and 1 MIDI files

100% Local Processing. Your files never leave your device.

Professional Tool

MIDI Analyzer – Tempo, Key, Time Signature & Track Stats

Analyze MIDI files in your browser: detect BPM, key and time signature, view duration, format/PPQ, and per‑track details like instrument, channel, note count and range. Visual charts show pitch distribution and velocity maps. Everything runs locally for privacy.

Features

Fast analysis with a clear summary

Tempo (BPM) and duration detection

Key and time signature extraction

Track details: name, instrument, channel, note count, range

Charts: pitch distribution and velocity map

100% local processing, no uploads

How to Use

1. Upload a MIDI file

Select a .mid/.midi file. The file is parsed locally in your browser.

2. Check the summary

See duration, BPM, key/time signature, format and PPQ.

3. Inspect tracks

Browse track name, instrument, channel, note count and range.

4. View charts

Explore pitch distribution and velocity map to understand the performance.

5. Optional: Visualize

Open it in the MIDI Visualizer for a piano‑roll view.

FAQ

Technical Specs & Compatibility

Parsing: @tonejs/midi in browserMetadata: BPM, key and time signature detectionCharts: pitch distribution and velocity mapPrivacy: local processing, no uploadBrowsers: Latest Chrome/Edge/Safari