JSON Formatter & Validator

Format, validate, minify, and fix JSON data with syntax highlighting and error detection

Input JSON:

Characters: 0 | Lines: 0 | Status: Ready

Formatting Options

Pretty Print (Formatted) Compact (Single Line) Minified (No Spaces)

Indentation:

Spaces (2) Tabs Spaces (4)

Additional Features:

Auto-format on paste Validate JSON syntax Sort object keys alphabetically

Formatted JSON:

// Your formatted JSON will appear here with syntax highlighting

Characters: 0 | Lines: 0 | Size: 0B

About JSON Formatter & Validator

This professional JSON tool helps developers format, validate, and fix JSON data. Perfect for API development, configuration files, and data processing.

Key Features:

🛠️ Formatting

Pretty Print: Beautiful indentation and line breaks
Compact View: Single-line formatting
Minification: Remove all whitespace
Custom Indentation: Spaces or tabs

✅ Validation

Syntax Checking: Detect JSON errors
Error Highlighting: Pinpoint issues in your code
Auto-correction: Fix common mistakes
Detailed Reports: Understand what went wrong

⚡ Utilities

Syntax Highlighting: Color-coded JSON elements
One-click Copy: Copy formatted JSON to clipboard
File Download: Save JSON as .json file
Key Sorting: Alphabetize object keys

Common JSON Issues Fixed:

Trailing Commas: Remove or add missing commas
Unquoted Keys: Automatically quote object keys
Single Quotes: Convert to double quotes
JavaScript Objects: Convert to valid JSON
Extra Commas: Remove duplicate commas
Comments Removal: Strip JavaScript-style comments

JSON Formatting Examples:

Original (Minified):

{"name":"John","age":30,"city":"New York","hobbies":["reading","gaming"]}

Formatted (Pretty Print):

{
  "name": "John",
  "age": 30,
  "city": "New York",
  "hobbies": [
    "reading",
    "gaming"
  ]
}

Use Cases:

API Development: Format API requests and responses
Configuration Files: Pretty-print JSON configs
Data Analysis: Make large JSON datasets readable
Learning JSON: Understand JSON structure easily
Debugging: Find syntax errors quickly