JSON Formatter

Validate, pretty print, and minify JSON data.

Output will appear here...

What is a JSON Formatter?

JSON (JavaScript Object Notation) is the lightweight data-interchange format acting as the backbone of modern web APIs. However, servers often send it "minified" (without whitespace) to save bandwidth, making it impossible to read.

How to use?

  1. Paste: Insert your messy or minified JSON string into the left panel.
  2. Beautify: Click to format the data with proper indentation and newlines.
  3. Validate: The tool instantly highlights syntax errors like missing commas or unclosed quotes.