JSON Validator
LiveFormattersValidate JSON and pinpoint errors with line and column. Updates live as you type.
Paste JSON above to validate.
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About JSON Validator
The JSON validator checks your input against the JSON grammar and pinpoints the exact line and character where a syntax error occurs, with a clear message. It catches trailing commas, unquoted keys, single quotes and other common mistakes. Use it to debug payloads that fail to parse before they reach your application.
Common uses
- Find the exact location of a JSON syntax error
- Catch invalid keys or trailing commas
- Validate config files before deploy