What is MIDI to JSON Converter?

**MIDI to JSON Converter Online** is your go-to tool for transforming MIDI files into JSON format—perfect for **Tone.js** and **Web Audio** developers. It’s fast, free, and runs entirely in your browser, so your files stay private.

What are the features of MIDI to JSON Converter?

* **Batch Processing**: Convert up to **20 MIDI files at once** (max 100MB total). No more waiting! * **Lightning-Fast**: Get JSON results in **seconds**, not minutes. Optimized for speed. * **100% Private**: Your files never leave your browser. No uploads, no storage—just **secure conversions**. * **Tone.js Ready**: JSON output is formatted for seamless integration with **web audio projects**.

What are the use cases of MIDI to JSON Converter?

* **Web Developers**: Easily add music to apps without complex audio coding. * **Game Creators**: Bring soundtracks to life in browser-based games. * **Music Producers**: Move DAW compositions to the web with accurate timing and notes. * **Interactive Artists**: Build responsive audio installations with JSON-powered playback.

How to use MIDI to JSON Converter?

1. **Upload**: Drag and drop MIDI files or click to select. 2. **Convert**: Hit "Convert MIDI" to transform files instantly. 3. **Download**: Grab your JSON files individually or as a **ZIP**.

Is there a file size limit?

Yes—keep it under **100MB total** (max 20 files, 10MB each) for best performance.

Can I convert multiple files at once?

Absolutely! Batch process up to **20 MIDI files** in a single go.

Where are my files stored after conversion?

Nowhere! Everything happens in your browser—**no server storage**, just privacy.

What if my conversion fails?

Try the "Retry" button or check if your MIDI file is valid. Refresh and try again if needed.

Which MIDI formats are supported?

We handle **.mid** and **.midi** (Format 0 & 1), including notes, tempo, and instrument data.

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