JSON Formatter & Validator
Clean up messy JSON, validate its structure, and minify it for production. All processing is done locally in your browser.
Raw JSON Input
1
Formatted Result
1
Why use a JSON Formatter?
JSON is often minified to save space during transit, making it nearly impossible for humans to read. Our formatter restores the indentation and structure, making it easy to debug API responses or configuration files.
Instant Validation
As you type, our tool validates your JSON syntax. If there is a missing comma, unquoted key, or mismatched bracket, you will see a detailed error message immediately.