Text Tools
JSON Formatter
Free online JSON formatter and validator. Pretty-print JSON with syntax-aware indentation, minify for production, or validate structure before deployment.
0 chars · Ctrl+Enter to run
Example input
{"name":"John","age":30,"skills":["JSON","TypeScript"]}Related tools
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Frequently asked questions
How do I format JSON online?+
Paste your JSON into the input box and click Format. The tool validates syntax and applies readable indentation automatically.
Can this tool minify JSON?+
Yes. Switch to Minify mode to remove whitespace and produce compact JSON for APIs and production use.
Is this tool free?+
Yes. Every Utilio utility is free with no sign-up, usage limits, or paywalls.
Do you store my data?+
No. Processing happens entirely in your browser. Your input never leaves your device.
Can I use this tool offline?+
Yes. Once the page loads, most tools continue working without an internet connection.