关于本计算器
Pretty-print, minify and validate JSON with precise parser error messages, indent size and one-click copy.
JSON 格式化工具
美化、压缩与校验 JSON 并提示错误。
有效
{
"name": "CalcKiwi",
"tools": 49,
"langs": 10
}常见问题
Why is my JSON invalid?
Trailing commas, single quotes and comments are not JSON — the exact parser error is shown.
Minify or format?
Minify strips all whitespace for transport; format indents for humans.
Is my data sent anywhere?
No — everything runs locally in your browser.