JSON Formatter & Validator

JSON Formatter & Validator

JSON (JavaScript Object Notation) is the universal data interchange format for web APIs, configuration files, and database documents. Poorly formatted JSON — dense single-line output from logs or API responses — is hard to read, review, and diff. This formatter pretty-prints JSON with configurable indentation (2 or 4 spaces) for maximum readability, and can also minify it to strip all whitespace for compact storage or transmission. The built-in validator catches syntax errors and reports the exact location of each problem, so you can debug malformed JSON quickly without counting brackets manually.