JSON Viewer and Converter

Format, validate, and convert JSON to YAML/XML with syntax highlighting

JSON Input

Output

About JSON Viewer and Converter

JSON (JavaScript Object Notation) is a lightweight data interchange format that's easy for humans to read and write, and easy for machines to parse and generate. This free online JSON viewer and converter helps you work with JSON data effectively.

Features

  • JSON Viewer: View and beautify JSON with proper indentation and syntax highlighting
  • JSON Formatter: Auto-format JSON with proper indentation and spacing
  • JSON Minifier: Remove all whitespace to compress JSON
  • JSON Validator: Check JSON syntax and highlight errors
  • JSON Tree View: Visualize JSON structure with expandable/collapsible nodes
  • JSON to YAML Converter: Convert JSON to YAML format instantly
  • JSON to XML Converter: Transform JSON into XML format
  • Syntax Highlighting: Color-coded display for keys, values, and data types
  • Fullscreen View: Expand output to fullscreen for better viewing

How to Use This JSON Tool

  1. Paste or type your JSON data in the input area on the left
  2. The output will automatically format and display with syntax highlighting
  3. Use toolbar buttons to format, minify, validate, or convert your JSON
  4. Click "Tree" to see an interactive tree structure with collapsible nodes
  5. Click "YAML" to convert JSON to YAML format
  6. Click "XML" to convert JSON to XML format
  7. Use the expand button for fullscreen viewing
  8. Copy the formatted output or clear to start fresh

All JSON processing happens in your browser - no data is sent to any server, ensuring your content remains private and secure. Perfect for developers, API testing, data conversion, and JSON debugging.