JSON Editor & Formatter

Edit, format, and validate JSON data with syntax highlighting and real-time error detection.

JSON Input

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Valid JSON

About JSON Editor

Features

  • • Real-time JSON syntax validation
  • • Auto-formatting and beautification
  • • Syntax highlighting for better readability
  • • Error detection with line numbers
  • • Support for large JSON files
  • • Dark and light theme support

Use Cases

  • • API response validation
  • • Configuration file editing
  • • Data structure visualization
  • • JSON learning and debugging
  • • Code documentation
  • • Web development testing