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JSON Formatter & Beautifier

Paste minified or messy JSON and get perfectly indented, readable output.

Input
Formatted Output

      

      

      

        
💡 What is this
JSON Formatter
  • A JSON formatter takes compact, minified, or poorly-indented JSON and restructures it with consistent indentation and line breaks, making it easy to read and debug.

        
📖 How to use
Step by Step
  • Paste your JSON into the Input panel
  • Choose indent style (2 spaces, 4 spaces, or tab)
  • Click Format or press Ctrl + Enter
  • Copy the result or continue editing

        
🎯 Use cases
When to use
  • Reading minified API responses
  • Debugging JSON config files
  • Preparing JSON for documentation
  • Making payloads readable before code review

      

      
      
      

      

        
Frequently Asked Questions

        
What is JSON formatting?▾
JSON formatting (or beautifying) adds proper indentation, line breaks, and spacing to compact JSON data, making it human-readable without changing the underlying data.

        
Is my data safe?▾
Yes. All processing happens entirely in your browser. No data is ever sent to any server. Your JSON stays on your device.

        
What indent size should I use?▾
2 spaces is the most common convention in JavaScript/TypeScript projects. 4 spaces is common in Python-related configs. Tabs are preferred in Go projects. Choose what matches your codebase.

        
Can I format very large JSON files?▾
Yes, this tool handles JSON up to several megabytes. For extremely large files (100MB+), consider using a command-line tool like jq.

      

      
      

        
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