JSON Validator
Check whether text is valid JSON and get its structure: type, size, depth and number of values.
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How to use JSON Validator
- Paste your JSON.
- Read whether it is valid and where any error sits.
Privacy and limits
This tool runs in your browser. What you type is processed on your device and is not sent to our server.
Questions
- Is JSON Validator free to use?
- Yes. You do not need an account and there is nothing to pay.
- Does it work offline?
- Once the page has loaded, the tool does its work on your device. Some browsers need a connection only to load the page itself.