Free Online JSON Formatter and Validator
Our JSON formatter tool provides instant formatting, validation, and minification for JSON data. Perfect for developers working with APIs, configuration files, or any JSON-based data. Process everything locally in your browser for maximum privacy and security.
JSON Beautifier with Syntax Highlighting
Transform minified or poorly formatted JSON into beautifully structured code with proper indentation. Our tool makes it easy to read and understand complex JSON structures, making debugging and development faster and more efficient.
Validate JSON Online
Instantly check if your JSON is valid. Our validator provides clear error messages with line numbers, helping you quickly identify and fix syntax errors in your JSON data.
Frequently Asked Questions
What is JSON?
JSON (JavaScript Object Notation) is a lightweight data interchange format that's easy for humans to read and write, and easy for machines to parse and generate.
How do I format JSON online?
Paste your JSON into the input field, and our tool will automatically format it with proper indentation and syntax highlighting.
Is this JSON formatter free?
Yes, completely free with no registration or limits. All processing happens in your browser for privacy.
Can I minify JSON?
Yes, our tool can both beautify and minify JSON, removing all unnecessary whitespace for production use.