What does JSON Validator do?
Validate pasted JSON and identify malformed data with a clear success or error message.
Helpful tip
JSON property names require double quotation marks.
This free tool works in your browser. Use the interactive tool panel above, review the result, and copy or download it as appropriate. No registration is required.
💡 Helpful tip
JSON property names require double quotation marks.
How to use this tool
- Enter, paste or upload the information requested by the tool panel above.
- Choose the options you need and click the tool's action button.
- Review the generated result, then copy or download it when available.
Is it free?
Yes. This tool is free to use. There is no sign-up needed.
Privacy information
This tool runs in your browser; the theme does not send tool inputs or file contents to the website server. Separately configured advertising, analytics or third-party plugins may collect their own information.
