JSON Formatter / Validator
Format, validate, and beautify JSON data instantly.
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About this tool
Paste your JSON to format, validate, and beautify it. Detect syntax errors, minify JSON, and convert to other formats.
Frequently Asked Questions
Paste your raw or minified JSON into the editor and click Format. The tool instantly beautifies it with proper indentation, syntax highlighting, and validates the structure — all free, no signup needed.