JSON Formatter
Format, validate, and beautify JSON data online. Minify or prettify JSON with syntax highlighting and error detection.
Format, minify or validate JSON; inspect its tree, statistics and simple paths.
No JSONPath filters or expression evaluation. Unsafe integers and precision-changing numbers are rejected. Tree display stops after 20 levels. Text cap: 1,000,000 characters; 64 levels and 50,000 entries.
Method and limits
Method and limits
Indent by two/four spaces or tabs. YAML output quotes keys and strings. Paths use own properties, dots and numeric brackets; $ selects the root.
Decimal JSON uses JavaScript numbers; precision-changing tokens and unsafe integers are rejected. Quote exact identifiers.
Decimal JSON uses JavaScript numbers; precision-changing tokens and unsafe integers are rejected. Quote exact identifiers.
Processing happens in this browser; these converters do not upload your draft. Other site features can make requests.
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About JSON Formatter
Format, minify or validate JSON; inspect its tree, statistics and simple paths. Indent by two/four spaces or tabs. YAML output quotes keys and strings. Paths use own properties, dots and numeric brackets; $ selects the root.
{"a":1,"b":[true,null]} → {"a":1,"b":[true,null]}
No JSONPath filters or expression evaluation. Unsafe integers and precision-changing numbers are rejected. Tree display stops after 20 levels. Text cap: 1,000,000 characters; 64 levels and 50,000 entries.
Use Cases
How to use
Choose the mode and enter a draft; inspect the result before copying or downloading.
Indent by two/four spaces or tabs. YAML output quotes keys and strings. Paths use own properties, dots and numeric brackets; $ selects the root.
Pro Tips
- No JSONPath filters or expression evaluation. Unsafe integers and precision-changing numbers are rejected. Tree display stops after 20 levels. Text cap: 1,000,000 characters; 64 levels and 50,000 entries.
Troubleshooting
Invalid JSON error
Check for missing quotes, trailing commas, or unescaped special characters in strings.
Formatting doesn't work
Make sure the JSON is valid first. The formatter will show specific errors if the JSON is malformed.
Frequently Asked Questions
Indent by two/four spaces or tabs. YAML output quotes keys and strings. Paths use own properties, dots and numeric brackets; $ selects the root.
No JSONPath filters or expression evaluation. Unsafe integers and precision-changing numbers are rejected. Tree display stops after 20 levels. Text cap: 1,000,000 characters; 64 levels and 50,000 entries.