Why does valid-looking JSON fail?
Common causes include trailing commas, single quotes, unescaped line breaks, and missing double quotes.
Valida JSON al instante, encuentra errores de sintaxis y conserva tus datos en el navegador.
The validator uses the browser JSON parser and reports line and column details when available. Fix the first error and validate again; this is usually the fastest way to recover a valid document.
Common causes include trailing commas, single quotes, unescaped line breaks, and missing double quotes.
No. Validation only reads the input and reports the result.