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{}JSONKits

Validate Uploaded JSON

Validate JSON data with detailed feedback including size, structure, type information, and root key count. Perfect for checking file uploads.

Input

json
loading editor…

Paste your JSON data here...
or drop a file anywhere in this pane

Output

json

Validation results will appear here...
press ⌘↵ to validate

What Is This Tool?

Validate your JSON data with comprehensive feedback. Get details about the data size, type, root keys, and structure all in one place.

How to Use

  1. Paste your JSON data or JSON file contents into the input editor.
  2. Click "Validate" to check the data.
  3. Review the validation results and structure information.

Frequently Asked Questions

Is this tool safe?

Yes. Processing is 100% client-side with no server upload.

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