Can I view JSON arrays as a tree?

Yes, JSON arrays are displayed with indexed elements (0, 1, 2...) that you can expand to see the contents of each array item.

Does it support minified JSON?

Yes, you can paste minified (compressed) JSON and the tree viewer will parse and display it as a properly structured tree with all levels visible.

JSON Tree Viewer Online - Visualize JSON Free

Free online tool to visualize JSON data as an interactive, collapsible tree structure

JSON Input

Tree View

Paste JSON and click "Visualize Tree" to see the structure

JSON Tree Viewer Features

The JSON Tree Viewer displays your JSON data as a hierarchical tree structure, making it easy to navigate complex nested objects and arrays. Click on toggle buttons to expand or collapse nodes.

Collapsible Nodes: Expand and collapse objects/arrays with one click
Color-Coded Types: Instantly identify strings, numbers, booleans, and nulls
Nested Structure: Navigate deeply nested JSON with ease
Large File Support: Handles large JSON files efficiently
No Signup: 100% free, no registration required

Color Legend: ● Keys | ● Strings | ● Numbers | ● Booleans

🔧 Related JSON Tools

📝 JSON Formatter

Format & beautify JSON

🔍 JSON Diff

Compare two JSON files

📐 JSON Schema Validator

Validate against schema

📊 JSON Visualizer

Graph view of JSON

🔄 JSON to YAML

Convert JSON to YAML

🎲 Dummy JSON Generator

Generate fake JSON data

JSON Tree Viewer FAQ

What is a JSON tree viewer?

A JSON tree viewer displays JSON data as a hierarchical tree structure, making it easy to visualize nested objects, arrays, and key-value pairs in an expandable format.

How do I visualize JSON as a tree?

Paste your JSON data into the input panel, then click "Visualize Tree". The tool will parse your JSON and display it as an interactive tree with expandable nodes.

Can I expand and collapse JSON nodes?

Yes! Click the + or − buttons next to any object or array to expand or collapse it. Use "Expand All" and "Collapse All" for bulk operations.

Does this work with large JSON files?

Yes, this JSON tree viewer handles large files efficiently. The collapse feature helps you focus on specific sections without overwhelming the view.

How do I view nested JSON objects?

Nested objects appear as expandable nodes. Click the + button next to any object or array to reveal its contents, then continue expanding deeper levels.

How do I use this for API response debugging?

Paste your API response JSON into the viewer to see its structure clearly. The tree view makes it easy to identify missing fields, incorrect types, or unexpected nesting.

What do the colors mean?

Colors indicate data types: Purple for keys, Green for strings, Orange for numbers, Pink for booleans, and Gray for null values.

Is this JSON tree viewer free?

Yes, 100% free with no signup required. All processing happens in your browser, so your data stays completely private.