JSON Validator
Check whether a JSON document parses and see the shape of its root value without uploading it.
Runs in your browser. No signup or cloud computer.
29 / 100,000
Result
Your result will appear here. The input stays in this browser tab.
How to use it
Paste a JSON document to confirm its syntax before adding it to a configuration or API request.
Try this example
{"tools":["chat","terminal"]}What to check
This checks JSON syntax, not an application-specific schema or business rule.
Review the result before using it in a published page, application, or agent configuration.
Related free tools
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