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JSON Formatter & Validator

Format, validate, and analyze JSON data with advanced tools and features.

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Input JSON

Formatted JSON

Formatting Options

Convert To

JSON Analysis

0
Objects
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Arrays
0
Keys
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Max Depth

JSON Paths

Features

Format & Validate

Format JSON with custom indentation and validate syntax in real-time.

Convert Formats

Convert JSON to YAML, XML, or CSV formats easily.

Analyze Structure

View detailed statistics and explore JSON paths.

Custom Options

Customize formatting with various options and preferences.

JSON Data Processing Tool

Comprehensive JSON solution for developers and data analysts working with JSON data. Key features include:

Core Functionalities

  • Beautify minified JSON with proper indentation
  • Validate JSON syntax with detailed error reporting
  • Advanced structure visualization with collapsible nodes
  • JSON to XML/CSV conversion capabilities
  • Character encoding detection and conversion
  • JSON schema validation and analysis

Why Use JSON Formatter?

  • Improve API response readability
  • Identify and fix syntax errors quickly
  • Analyze complex nested structures
  • Prepare data for documentation
  • Validate JSON against schemas
  • Enhance data debugging efficiency

Common Questions

Does this tool handle large JSON files?
Yes, process files up to 5MB directly in your browser with no server processing.

Can I format JSON with comments?
Yes, we support JSONC (JSON with comments) formatting and validation.

How accurate is the error detection?
Detailed error reporting with line numbers and specific syntax issues.

Is my sensitive data safe?
All processing occurs client-side - your data never leaves your computer.

Does it support JSON5/JSONP?
Yes, handles modern JSON variants including JSON5 and JSONP formats.

Developer Tips

  • Validate API responses before integration
  • Use formatted JSON for documentation
  • Check for trailing commas in arrays/objects
  • Verify proper string escaping
  • Analyze data structure complexity

Common Use Cases

  • API development and testing
  • Configuration file validation
  • Data migration preparation
  • Educational purposes
  • Code quality maintenance