Format, beautify, and validate JSON online. Paste raw JSON and get properly indented, syntax-highlighted output with instant error detection.
Paste raw or minified JSON into the editor and get properly formatted, syntax-highlighted output. The validator checks for syntax errors and pinpoints the exact line and character where issues occur. Supports nested objects, arrays, and all JSON data types.
It takes raw or minified JSON input and outputs properly indented, readable JSON. It also validates the syntax and highlights any errors with line numbers.
Yes. All processing happens in your browser. No data is sent to any server.
All valid JSON including nested objects, arrays, strings, numbers, booleans, and null values. Unicode characters are preserved.
Yes. Use the minify toggle to compress your JSON by removing all whitespace and line breaks.
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