JSON Formatter & Validator

Paste your JSON code below to format, validate, or minify it. All processing happens locally in your browser.

About JSON Formatter

JSON (JavaScript Object Notation) is a lightweight data-interchange format. This tool helps you:

  • Beautify: Make messy, minified JSON readable with proper indentation.
  • Validate: Check if your JSON follows the correct syntax and identify errors.
  • Minify: Remove all whitespace to reduce the size of your JSON data.

Privacy Note: Your data never leaves your computer. We do not store or transmit any JSON you paste here.