JSON Formatter / Minifier
Pretty-print or minify JSON. Formats, validates, and catches syntax errors. All processing happens locally.
Input
JSON text
Output
JSON text
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FAQ
- What counts as valid JSON?
- Standard JSON with object, array, string, number, boolean, and null values. Trailing commas, comments, and single-quoted strings are invalid.
- What happens with invalid JSON?
- An error message describing the syntax problem will be shown. Fix the issue and try again.
- Is my data uploaded anywhere?
- No. All formatting happens locally in your browser in your browser.