Learn how to format, beautify, and validate JSON data online for free. Indent messy JSON in seconds.
Want to jump straight in? Use our free JSON Formatter & Validator tool directly.
Navigate to the JSON Formatter tool on UtilsNow. No signup or installation is needed.
Copy your raw or minified JSON data and paste it into the input area on the left side of the tool.
Select your preferred indentation level (2 spaces, 4 spaces, or tabs) from the settings.
The tool instantly formats your JSON with proper indentation, syntax highlighting, and validates the structure. Any errors are highlighted with line numbers.
Click the Copy button to copy the formatted JSON to your clipboard, or download it as a .json file.
Use our free JSON Formatter & Validator tool — no signup, no uploads, works directly in your browser.
Open JSON Formatter & ValidatorYes, the JSON formatter is completely free. There are no limits on usage, file size, or formatting operations.
No. All formatting happens directly in your browser. Your data never leaves your device, ensuring complete privacy.
Yes, the tool automatically validates your JSON as it formats. Any syntax errors are highlighted with descriptive error messages and line numbers.