Use this JSON Formatter & Validator to properly format and validate your JSON data. It supports pretty-printing, minification, and syntax error highlighting.
Yes. This JSON Formatter & Validator operates entirely on the client-side using JavaScript. Your JSON data is never sent to our servers, ensuring your sensitive information remains secure and private.
The tool attempts to parse your JSON string. If there are syntax errors (such as missing commas, unquoted strings, or trailing commas), it will catch the error and display a detailed message indicating exactly where the JSON is broken.