JSON Formatter & Validator

JSON Formatter & Validator Online

Format complex JSON, catch syntax errors instantly, minify JSON, sort keys, and inspect accurate JSON statistics.

✓ Free and no registration ✓ Runs in your browser ✓ JSON is not uploaded to the server

Sort keys

Input JSON 0 Characters

Result Formatted JSON will appear here.

Enter JSON to begin.

JSON statistics—

Characters0

Bytes0

Lines0

Keys0

Depth0

Local processing

Validation and formatting run in your browser. Your JSON does not need to leave your device.

Quick tip

Use 2 or 4 spaces for common projects, and sort keys when comparing JSON files.