Developer tools
Validate JSON
Check JSON syntax and see valid input in a readable format.
Result
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Why use it
Find JSON syntax errors quickly
- 01
Clear validation feedback
Check whether JSON is valid and get a useful syntax error when it is not.
- 02
Formatted valid JSON
Valid input is displayed with consistent indentation and can be copied.
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Supported files and limits
- Input
- JSON text
- Privacy
- Processed locally in your browser
- Output
- Validation status and formatted JSON
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How to validate JSON
- 1
Paste JSON
Enter the JSON you want to check.
- 2
Validate
Review the syntax status and copy valid formatted JSON if needed.
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Frequently asked questions
Does the validator upload my JSON?
No. The JSON is checked locally in your browser.
Will it show where a syntax error is?
When the browser provides that information, the error includes a line and column.