Free JSON Schema Documentation Tool

Generate clean HTML and SVG diagrams with this free online tool, designed to visualize complex schemas as clear, scalable tree diagrams. For advanced use cases, the generator is also available in JSONBuddy (no size limits), as a command-line tool, and via a Web API.

Paste Your JSON Schema

0 / 10,000 characters

Generated Documentation

Your generated documentation will appear here...

Why Use JSON Schema Documentation?

JSON Schema documentation helps developers and stakeholders understand the structure and constraints of your JSON data. The generated HTML/SVG diagrams are:

  • Scalable - SVG graphics scale to any size without losing quality
  • Shareable - Easy to distribute and embed in your documentation
  • Professional - Clean, tree-structured visualization
  • Browser-friendly - Works in all modern web browsers

Need More Power? Try JSONBuddy Desktop

For advanced features and working with larger schemas, download JSONBuddy for Windows. The desktop application offers:

  • No size limitations on your JSON Schemas
  • Complete JSON Schema editor with validation and debugging
  • Batch processing capabilities
  • Integration with your development workflow
  • Support for all JSON Schema drafts (Draft 4, 6, 7, 2019-09, 2020-12)

Take a detailed look at some other features of JSONBuddy

JSONBuddy is more than just a JSON editor for Windows ®. Learn more on clicking the images and links below.