JSON Formatter & Validator
Paste your JSON below to format, validate, or minify it. Errors are highlighted with line and column information.
Indent:
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Output
Formatted or minified JSON will appear here.
About This Tool
This JSON formatter and validator helps developers quickly prettify, minify, and validate JSON data. It supports customizable indentation with 2 spaces, 4 spaces, or tabs. Invalid JSON is flagged with detailed error messages including line and column numbers to help you fix syntax issues fast.