🔧 JSON Formatter & Validator
Beautify, validate, minify and analyze JSON instantly — free, private, no data stored
// Formatted JSON will appear here
❓ Frequently Asked Questions
What is JSON and why format it?
JSON (JavaScript Object Notation) is a lightweight data format used for APIs and configuration files. Formatting (beautifying) adds indentation and line breaks to make it human-readable. Minifying removes whitespace to reduce file size.
Is my JSON data safe?
Yes. All processing happens in your browser using JavaScript. Your JSON data is never sent to any server. It's completely private and secure.
What causes JSON validation errors?
Common errors include: missing quotes around keys, trailing commas, single quotes instead of double quotes, unescaped special characters, and mismatched brackets or braces.
What's the difference between JSON and JavaScript objects?
JSON requires double quotes for all keys and string values, doesn't allow trailing commas, and doesn't support functions or undefined values. JavaScript objects are more flexible but not valid JSON.