JSON Formatter
Format, minify, and validate JSON with line numbers.
Input
1
How to Use
- Paste or type your JSON in the input box
- Click Format to pretty-print with indentation
- Click Minify to compress to a single line
- Click Validate to check if your JSON is valid
FAQ
Q: What is JSON?
A: JSON (JavaScript Object Notation) is a lightweight data format used for APIs, config files, and data exchange between systems.
Q: What does valid JSON look like?
A: Keys and strings must use double quotes. No trailing commas allowed. Values can be strings, numbers, objects, arrays, booleans, or null.
Q: Why use line numbers?
A: Line numbers help you quickly identify where an error occurs in large JSON files, making debugging much easier.