Developer Tool

JSON Lens

Format, validate, and analyze JSON with real-time syntax checking and statistics.

Input JSON

Syntax Error
Input is empty

Real-Time Validation

Instant syntax checking with detailed error messages and line numbers

Smart Formatting

Format, minify, and sort keys with customizable indentation

Detailed Analysis

View structure statistics: size, depth, keys, objects, and arrays

Pro Tips

  • ✓Drag & drop JSON files directly into the editor
  • ✓Sort keys for easier comparison and readability
  • ✓Minify to reduce file size for production
  • ✓Use 2 spaces indentation for most projects