Format, validate, and beautify JSON data with syntax highlighting.
JSON Formatter & Validator in 3 simple steps
Enter or paste your JSON data.
Click Format to beautify, or Minify to compress. Errors are shown instantly.
Copy the formatted JSON to your clipboard.
Color-coded JSON for easy reading.
Instant error detection with line numbers.
Beautify for reading or minify for production.
Collapsible tree view for nested data.
Working with JSON APIs, config files, or data? Our formatter beautifies messy JSON into readable, indented format with syntax highlighting. It also validates your JSON and pinpoints errors with line numbers.
Switch between formatted and minified views, copy results, and work with JSON data efficiently — all in your browser.