Convert
JSON Formatter
Pretty-print, minify and validate JSON instantly.
Converts locally in your browser. Free, nothing is uploaded.
About this tool
Free json formatter tool. Pretty-print, minify and validate JSON instantly. No signup, nothing uploaded.
Frequently asked questions
Is my data sent to a server?
No. The conversion happens entirely inside your browser.
What formats are supported?
The formats named in the title; malformed input returns a clear error.
Can I paste large files?
Yes for reasonable sizes, limited by browser memory.
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