JSON Formatter & Validator
Format, minify, validate, sort keys, or convert JSON to CSV. Real parsing in your browser — nothing uploaded.
🔒 Everything runs in your browser. Nothing is uploaded.
Examples
{ "a": 1, "b": 2 } | {"a":1,"b":2} | minify |
{"b":1,"a":2} | {
"b": 1,
"a": 2
} | prettify |
{"b":1,"a":2} | {
"a": 2,
"b": 1
} | sort keys |
[{"a":1,"b":2},{"a":3,"b":4}] | a,b
1,2
3,4 | to csv |
How it works
Available operations: Beautify, Minify, Sort Keys, Validate, JSON → CSV.
Everything runs locally with the same code that passes our automated correctness tests — no server, no upload.