JSON to Vega-Lite Online - Free Tool

Generate Vega-Lite spec from JSON. 100% browser-based, no registration required.

Step 1: Paste your JSON

Paste or type your JSON data into the input area above.

What is JSON to Vega-Lite?

Generate Vega-Lite spec from JSON. Works entirely in your browser.

Is JSON to Vega-Lite free?

Yes, completely free. No registration, no limits, no hidden fees.

Can I process large JSON files?

Yes, the tool runs client-side. Large files may take longer.

Is my JSON data secure?

Yes, all processing is done locally in your browser.