JSON Formatter & Validator
Format, beautify, and validate JSON data payloads and Schema.org structured data with real-time error reporting.
How to Use the Free JSON Formatter & Validator
1. Paste Raw JSON
Paste your unformatted JSON payload, API response, or Schema.org script into the editor.
2. Beautify or Minify
Click Beautify for clean 2-space indentation or Minify to strip whitespace for production payloads.
3. Validate & Copy
Catch syntax errors in real-time with line indicators, then click Copy JSON with one click.