JSON Tree Viewer.
Visualize your data.

Parse and explore JSON data as an interactive tree. Format, validate, expand, collapse, and copy values instantly. Perfect for developers and API testing.

JSON input
Tree visualization
Enter valid JSON to see the tree structure
How to use the JSON tree viewer

Visualize, explore, and understand JSON data structure with our interactive tree viewer. Perfect for debugging APIs and exploring data structures.

Quick start

  1. Paste or type JSON — Enter valid JSON in the left panel
  2. Automatic visualization — The tree structure appears instantly
  3. Explore the tree — Click on any node to expand or collapse
  4. Copy values — Hover over any value and click the copy button
  5. Format & validate — Use toolbar buttons to format or validate JSON

Key features

  • Interactive tree view — expand/collapse any node
  • Copy to clipboard — copy any value with one click
  • JSON formatting — clean up messy JSON
  • Validation — check if your JSON is syntactically correct
  • Expand all / Collapse all — control the entire tree view
  • Syntax highlighting — colors for strings, numbers, booleans, null
  • 100% client-side — your data never leaves your browser

Supported JSON features

  • Objects with nested properties
  • Arrays of any type
  • String, number, boolean, and null values
  • Nested structures up to any depth

All JSON processing happens locally — no data is ever uploaded to any server. Your privacy is guaranteed.