JSON Tree Viewer

Paste or type JSON to visualize it as an interactive tree

or

No JSON parsed yet. Go to JSON Editor tab, paste JSON and click Parse & View.

About JSON Tree Viewer

The JSON Tree Viewer displays JSON data as an interactive, collapsible tree structure. Navigate complex nested JSON effortlessly by expanding and collapsing nodes, searching for keys or values, and viewing data types at a glance — ideal for exploring API responses, configuration files, database exports, and any structured JSON data without reading raw text.

Navigating Complex JSON Visually

Raw JSON with deeply nested objects and arrays can be overwhelming — hundreds of curly braces and brackets make it nearly impossible to trace data relationships by reading text alone. The tree viewer transforms this into a hierarchical visual structure where you can expand only the branches you care about, see data types at a glance through color coding, and get the exact JSON path to any value for use in your code. This is especially valuable when working with complex API responses from services like Stripe, Twilio, AWS, or GraphQL endpoints where payloads are deeply nested.

Key Features

  • Collapsible tree — expand and collapse JSON nodes to focus on the data you need without visual clutter.
  • Color-coded types — strings, numbers, booleans, null values, arrays, and objects are visually distinguished with different colors.
  • Search functionality — search for specific keys or values within the JSON tree to locate data quickly.
  • Path display — click any node to see its full JSON path (e.g. data.users[0].name) for use in code.
  • Raw + Tree toggle — switch between the raw JSON editor and the interactive tree view.
  • Array count — see the number of elements in arrays and properties in objects at a glance.

How to Explore JSON

  1. Load JSON — paste JSON into the editor panel, upload a .json file, or fetch from a URL.
  2. Browse tree — the tree renders automatically with nodes collapsed. Click to expand branches you want to inspect.
  3. Get paths — click on any value to see its full JSON path for use in JavaScript, Python, or other languages.
  4. Search — use the search bar to find specific keys or values in large JSON documents instantly.

JSON Path Syntax

When you click a node in the tree, the viewer shows its path using dot notation and bracket notation. For example, response.data.users[0].email indicates the email property of the first element in the users array inside data. This path syntax works directly in JavaScript (obj.response.data.users[0].email), and translates easily to Python (obj["response"]["data"]["users"][0]["email"]), C# LINQ, or jq filters for command-line JSON processing.

Real-World Use Cases

  • Exploring large, deeply nested REST API response payloads to understand data structure and field locations.
  • Navigating complex JSON configuration files (package.json, tsconfig.json, appsettings.json) to find specific settings.
  • Debugging JSON data by quickly locating specific keys, unexpected null values, or missing fields.
  • Understanding the structure of unfamiliar JSON schemas or GraphQL responses before writing parsers.
  • Extracting JSON paths for use in code, JMESPath queries, JSONPath expressions, or jq filters.

Frequently Asked Questions

Can I edit JSON in the tree view?

The tree view is read-only for visualization. Edit JSON in the raw editor panel and the tree will update automatically to reflect your changes.

How large a JSON file can I view?

The viewer handles JSON files of several megabytes efficiently. Very large files (10MB+) may take a moment to render the full tree depending on your device.

Does clicking a node copy its path?

Yes. Clicking a node displays its full JSON path (dot notation with array indexes) which you can copy for use in JavaScript, Python, or other code.

Does it validate JSON?

Yes. If the input contains invalid JSON, the viewer reports a syntax error with a description. Fix the error in the raw editor and the tree will render once the JSON is valid.

Is my JSON data private?

Yes. All parsing and tree rendering happens locally in your browser. No JSON data is transmitted to any server.

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