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Dev & Data
JSON Formatter
Paste JSON to pretty-print it with clean indentation, or minify it to a single line — and instantly see whether it's valid. It parses on your device; nothing is uploaded.
Try it now
Worked example
Output: {
"brand": "gg",
"tools": 250,
"live": true
}
Inputs
- JSON
{"brand":"gg","tools":250,"live":true} - Mode
Pretty / Minify
Frequently asked
Does it validate my JSON?
Yes — if the input is malformed, you get the parse error instead of output.
Is my data sent anywhere?
No. Parsing and formatting happen entirely in your browser.