Developer
Tools
JSON Formatter
Validate, prettify, andminify your JSON data instantly.
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Formatted Output
Valid
JSON
Invalid
JSON
Processing...
Why Validator JSON?
Error Checking
Find missing commas, unclosed brackets, and other syntax errors instantly.
Readability
Convert minified, single-line JSON into a readable, indented structure.
Minification
Compress your JSON data to save space and improved load times.
Frequently Asked Questions
Is my JSON data secure?
Yes, all processing happens in your browser. We do not store or transmit your data to any server.
What does Minify do?
Minification removes unnecessary whitespace and newlines to reduce the file size, which is useful for specialized data transmission.
Can I validate invalid JSON?
Our tool highlights syntax errors to help you fix them, but you must correct the errors before the JSON can be properly formatted.