JSON Viewer & Beautifier

Format, validate, and explore JSON with syntax highlighting and collapsible tree view

JSON Input

Formatted JSON

Formatted JSON will appear here...

Features

Formatting

  • • Pretty-print with indentation
  • • Syntax highlighting
  • • Minify for production
  • • Real-time validation

Tree View

  • • Collapsible objects & arrays
  • • Navigate large JSON files
  • • Color-coded data types
  • • Expandable nested structures

Export Options

  • • Copy to clipboard
  • • Download as .json file
  • • Dark/Light mode toggle
  • • Error line detection