JSON Formatter & Validator
Paste any JSON to format it with proper indentation, validate for syntax errors, or minify for production use.
How to Use JSON Formatter & Validator
- 1
Paste your raw or minified JSON into the "Input JSON" text area.
- 2
Click "Format" to pretty-print with 2-space indentation and validate.
- 3
Click "Minify" to compress the JSON into a single line for production use.
- 4
Use "Copy Output" to copy the result to your clipboard.
Frequently Asked Questions
How do I format JSON online for free?
Paste your JSON into our formatter and click Format. It instantly beautifies with proper indentation and highlights any syntax errors - free, no sign-up.
How do I validate JSON?
Our JSON Formatter automatically validates your JSON when you click Format. If there is a syntax error, it shows the exact error message.
What is the difference between format and minify?
Format adds indentation and line breaks to make JSON human-readable. Minify removes all whitespace to reduce file size, which is ideal for production APIs.