JSON Formatter & Validator

What is a JSON Formatter?

A JSON formatter (also called a JSON beautifier or JSON pretty printer) takes raw, compressed JSON data and displays it in a human-readable format with proper indentation and line breaks.

How to use this tool

• Paste your JSON into the Input box on the left
• Click Format / Beautify to pretty-print with indentation
• Click Minify to compress JSON by removing whitespace
• Click Validate to check if your JSON is valid
• Use the Copy button to copy the result

Why use ToolsZi JSON Formatter?

• 100% free — no account or registration needed
• Works entirely in your browser — your data never leaves your device
• Instant results with clear error messages
• Works on mobile and desktop