JSON Validator & Formatter
JSON Input
Result
How to use:
- • Validate: Checks if JSON is valid and shows statistics
- • Format: Formats JSON with proper indentation
- • Minify: Removes unnecessary spaces and line breaks
- • Use the "Example" button to load a test JSON
- • Click "Copy" to copy the result to clipboard
Online JSON Validator
Need to check if a JSON is properly formatted? Our validator identifies syntax errors and points out where to correct.
What is a JSON validator?
A JSON validator checks if an object's structure follows the correct syntax rules: keys, brackets, quotes, and commas in the right places.
How to use the tool
- Paste your JSON in the text field.
- Click Validate.
- See the result: if it's valid, confirmation appears. If there's an error, we show the exact line.
✅ This way you avoid problems in systems and APIs.
Practical use examples
- Developers: validate API responses.
- Configurations: check system
.jsonfiles. - Studies: learn to structure JSON correctly.
Frequently Asked Questions (FAQ)
What happens if the JSON is not valid?
The tool shows where the error is so you can fix it.
Can I validate very large JSON?
Yes, but validation time may vary depending on size.
Tips and curiosities
- Invalid JSON is one of the most common causes of integration errors.
- Always validate before sending to production.
➡️ Paste your JSON above and validate in seconds!
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