JSON Tree Viewer
JSON Tools
Explore nested JSON with a readable tree structure.
JSON input
Waiting for valid JSON
Valid JSON will appear as an expandable tree.
Collapsible tree
Objects and arrays can be opened independently for large payloads.
Path copy
Copy a JSONPath-like location for debugging or documentation.
Local inspection
Parsing and tree rendering happen in this browser tab.
Use cases
When to use JSON Tree Viewer
Explore nested JSON with a readable tree structure.
1Inspect a deeply nested API response
2Check whether a field is an object, array, string or number
3Navigate configuration data before writing a JSONPath expression
4Compare JSON structures across development, staging, and production APIs
5Prepare reproducible JSON payloads for API documentation, bug reports, or test cases
6Generate Schemas, language models, Excel workbooks, or Postman requests from JSON samples
7Review duplicate keys, nulls, field types, and contract changes before release
Guidance
Get reliable results
- 1Collapse large arrays to focus on the object structure
- 2Verify the exact field path before using it in code
- 3Use the formatter when raw JSON must be edited
The tree viewer presents the parsed structure and does not change or transmit the source document.