Free JSON Schema Visualizer

Visualize and explore JSON Schema as an interactive graph. Upload a file, paste schema, or load from a URL—free, no sign-up. Built by Schematica for developers and data architects.

Features

  • Instant graph: Turn raw JSON Schema into an interactive diagram.
  • Multiple inputs: Upload a file, paste schema, or fetch from a URL.
  • Navigate fast: Expand nodes and follow breadcrumbs through large schemas.
  • Search and jump: Find any field or definition quickly.
  • Details panel: Inspect node properties alongside the graph.
  • Zoom controls: Explore small or large schemas comfortably.

Frequently asked questions

Is the JSON Schema visualizer free?
Yes. The visualizer is completely free with no account or sign-up required—load your schema and explore.
How do I load a schema?
Upload a .json file, paste your JSON Schema into the editor, or provide a URL and the tool will fetch it for you.
Can I edit the schema?
Yes. Edit in the built-in editor and re-visualize. For merging, collaboration, and export at scale, try CoreModels from Schematica.
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