JSON Formatter
Format, beautify, and validate JSON data.
0 characters
0 characters
{"name":"John","settings":{"theme":"dark"}} — good luck reading that.
This adds indentation, validates syntax, and shows you where the errors are.
Common JSON Mistakes
| Error | Problem |
|---|---|
| {"a": 1,} | Trailing comma |
| {'a': 1} | Single quotes |
| {a: 1} | Unquoted keys |
| // comment | Comments not allowed |
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