JSON Tree Viewer Online

JSON Input
Lines —Chars —Size ——
Tree View

Paste JSON data on the left to see tree view

View JSON as an Interactive Tree

The JSON Tree Viewer displays your JSON data as a collapsible, searchable tree structure. Drill into nested objects, search keys and values, and navigate with breadcrumbs. Perfect for exploring complex API responses and configuration files.

Key Features

☰

Collapsible Tree

Expand and collapse objects and arrays at any depth. Focus on the sections that matter without losing context.

🔍

Search & Filter

Instantly search keys and values to find specific data in deeply nested JSON structures.

🔒

100% Private

All processing runs entirely in your browser. No data is ever sent to a server. Your JSON stays private.

How to Use

1
Paste or Upload JSONPaste your JSON into the editor or upload a .json file.
2
Switch to Tree ViewClick the Tree View tab to render the JSON as an interactive, collapsible tree.
3
Explore & SearchExpand nodes, use breadcrumbs, and search to find the data you need.

Common Use Cases

API Response Exploration

Drill into complex, deeply nested API responses from REST and GraphQL endpoints to understand data structures.

Config File Navigation

Visualize large configuration files like package.json or cloud deployment configs to quickly find settings.

Data Debugging

Inspect JSON payloads to spot missing fields, incorrect types, or unexpected nesting during development.

Documentation Review

Browse JSON schema definitions and sample data to understand API contracts and data models.

Frequently Asked Questions

What is a JSON tree viewer?

A JSON tree viewer displays JSON data as a hierarchical, collapsible tree structure, making it easy to explore nested objects and arrays without reading raw text.

Is this JSON tree viewer free?

Yes! Online Data Tools JSON Tree Viewer is completely free with no sign-up, no ads, and no data limits.

Can I search within the JSON tree?

Yes. The tree viewer includes a search feature that lets you filter keys and values to quickly find the data you need in large JSON structures.

Is my JSON data safe?

Absolutely. All processing happens in your browser. No data is ever sent to any server.