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JSON Formatter & Validator
Paste JSON to format, minify, sort, and validate it instantly.
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About this tool
Format API responses, configuration files, structured data, and other JSON while checking syntax validity.
Frequently asked questions
Does it support comments in JSON?
No. It follows standard JSON, so comments and trailing commas are reported as errors.
Does sorting keys change array order?
No. Array order stays unchanged; only object keys inside arrays are sorted.
Is my JSON sent to a server?
No. Parsing and storage take place only in your browser.
Related tools
Valid syntax does not guarantee correct data
The tool formats syntactically valid JSON, but it cannot verify whether field names or values are correct for your application. For an error, inspect commas, quotes, and brackets around the reported position.
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