Free browser utility
JSON Formatter & Validator
Format and validate JSON locally in your browser with readable indentation and errors.
Built for everyday workflows
A simpler way to json formatter & validator
Format and validate JSON locally with readable indentation or a compact minified result.
Validate JSON
Pretty print
Minify JSON
Local processing
1Select your file or input.
2Choose the options you need.
3Process and download the result.
Frequently asked questions
Does it send JSON to a server?
No. Parsing happens in your browser.
What happens with invalid JSON?
The tool reports the parsing error instead of producing a misleading formatted document.