JSON Formatter & Validator

Format, validate, and minify JSON data

JSON Best Practices

Formatting Guidelines

  • Use consistent indentation (2 or 4 spaces)
  • Add trailing commas for cleaner diffs
  • Keep line lengths reasonable for readability
  • Group related properties together
  • Use meaningful property names

Common Mistakes

  • Missing commas between properties
  • Trailing commas in older browsers
  • Using single quotes instead of double quotes
  • Comments in JSON (not supported)
  • Trailing commas at the end of objects/arrays

About JSON Formatting

JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write and easy for machines to parse and generate. Our JSON formatter helps you beautify, validate, and minify JSON data for development, debugging, and data processing tasks.

Why Format JSON?

Properly formatted JSON improves readability, reduces errors, and makes debugging easier. Whether you're working with APIs, configuration files, or data storage, formatting ensures your JSON is clean and maintainable.

JSON vs XML

  • JSON is more compact than XML
  • JSON is faster to parse
  • JSON supports arrays natively
  • XML supports comments and namespaces
  • JSON is language-independent

Advanced JSON Operations

  • Transform JSON structures with mapping
  • Filter and query JSON data
  • Convert between JSON and other formats
  • Validate JSON against schemas
  • Compress large JSON datasets