JSON Tree Viewer

Visualize JSON data in an interactive tree structure

JSON Input

Paste your JSON data here

Display Options

Tree View

Interactive JSON tree visualization

Enter valid JSON to see the tree view

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About JSON Tree Viewer

What is a JSON Tree Viewer?

A JSON Tree Viewer is an interactive tool that visualizes JSON (JavaScript Object Notation) data in a hierarchical tree structure. It makes complex JSON data easier to understand by displaying it in a collapsible, expandable format with syntax highlighting and visual organization.

Key Features

  • Interactive Tree Structure: Click to expand or collapse nodes for easy navigation through nested data
  • Multiple Themes: Choose from Default, Monokai, Dracula, and GitHub themes for comfortable viewing
  • Syntax Highlighting: Color-coded display for different data types (strings, numbers, booleans, null)
  • Customizable Icons: Select from Chevron, Plus/Minus, Arrow, or Folder icon styles
  • Data Type Display: Option to show data types next to values for better understanding
  • Size Information: Display the number of items in arrays and objects when collapsed
  • JSON Formatting: Format (beautify) or minify JSON with one click
  • Copy & Download: Easily copy JSON to clipboard or download as a file
  • Real-time Parsing: Instant visualization as you type or paste JSON data

How to Use the JSON Tree Viewer

  • Step 1: Paste your JSON data into the input textarea, or click "Load Sample" to see an example
  • Step 2: The tree view will automatically update to display your JSON in a hierarchical structure
  • Step 3: Click on any node to expand or collapse it and explore nested data
  • Step 4: Customize the display using themes, icon styles, and display options
  • Step 5: Use Format to beautify your JSON or Minify to compress it
  • Step 6: Copy the JSON to clipboard or download it as a file when needed

Understanding JSON Structure

JSON (JavaScript Object Notation) is a lightweight data interchange format that's easy for humans to read and write, and easy for machines to parse and generate. It consists of:

  • Objects: Collections of key-value pairs enclosed in curly braces {}
  • Arrays: Ordered lists of values enclosed in square brackets []
  • Values: Can be strings, numbers, booleans, null, objects, or arrays
  • Keys: Always strings in JSON, enclosed in double quotes

Common Use Cases

  • API Response Analysis: Visualize and explore data returned from REST APIs
  • Configuration Files: View and edit JSON configuration files for applications
  • Data Debugging: Identify issues in JSON structure and validate data format
  • Learning & Education: Understand JSON structure and hierarchy visually
  • Data Migration: Inspect data before importing or exporting between systems
  • Documentation: Create visual representations of JSON schemas and examples

Theme Options

  • Default: Clean and modern theme with blue, green, and orange colors
  • Monokai: Popular dark theme with pink, yellow, and purple accents
  • Dracula: Dark theme with cyan, yellow, and pink colors for reduced eye strain
  • GitHub: Light theme inspired by GitHub's color scheme

Tips for Best Results

  • Ensure your JSON is valid before viewing - the tool will show an error for invalid JSON
  • Use the Format button to beautify minified JSON for better readability
  • Try different themes to find the one that's most comfortable for your eyes
  • Enable "Show data types" to understand the type of each value
  • Enable "Show object/array size" to quickly see how many items are in collapsed nodes
  • Use different icon styles to match your preference or workflow
  • The first two levels of the tree are expanded by default for quick overview

Privacy & Security

  • All JSON processing happens locally in your browser
  • No data is sent to any server or stored anywhere
  • Your JSON data remains completely private and secure
  • Safe to use with sensitive or confidential data