JSON Formatter
Format, beautify, and validate JSON data instantly.
How to use this tool
1
Open JSON Formatter
The tool is already loaded above — no download or account needed.
2
Enter your data
Paste or type your input. Results appear instantly.
3
Copy or download
Export your result with one click — ready to use anywhere.
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Why use this tool
100% in-browser
Your data never leaves your device — fully private.
No signup needed
Use any tool instantly without creating an account.
Always free
Every tool is free with no daily limits or paywalls.
Copy & download
Export results in one click, ready to paste anywhere.
FAQ
Is my JSON data private?
Yes — all formatting happens inside your browser. No data is sent to any server.
Can I format large JSON files?
Yes. The formatter handles files up to several megabytes with no issues.
Does it detect errors?
Yes. If your JSON has a syntax error, the tool highlights it and tells you where to look.
Can I minify JSON too?
Absolutely — click "Minify" to strip all whitespace and produce compact output.