JSON Formatter & Validator
Developer ToolsFormat, minify, and validate JSON with error highlighting.
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About JSON Formatter & Validator
Prettify, minify, and validate JSON instantly. Paste raw JSON to format it with proper indentation, or validate it to find syntax errors with line numbers.
Frequently Asked Questions
JSON formatting (prettifying) adds proper indentation and line breaks to make compact or minified JSON human-readable.
Yes — paste your JSON and the validator instantly tells you if there are syntax errors, with the line number where the error occurs.