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Paste, validate, and format your JSON data with syntax highlighting. Fix JSON errors and make it readable.
Our JSON Formatter and Validator tool helps you format, validate, and beautify JSON data with syntax highlighting. Fix JSON errors and make your JSON readable with proper indentation.
Is this JSON formatter free to use?
Yes, our tool is completely free to use with no limitations.
Does this tool store my JSON data?
No, all processing happens directly in your browser. Your JSON data is never sent to any server.
What JSON standards does this tool support?
Our tool supports standard JSON (RFC 8259) format with all valid JSON data types.
Can I format very large JSON files?
There are practical limits based on your browser's memory, but most JSON files up to several megabytes work fine.
Privacy Note: All JSON processing occurs locally in your browser. Your data is never uploaded to any server, ensuring complete privacy and security.