JSON & YAML Tools

JSON Formatter & Validator

Format, validate, beautify, and minify your JSON data instantly. All processing runs 100% client-side in your browser for complete privacy.

Input JSON
Result 
 
 
 
    
  
 
Related Tools You Might Need
 
  
  
 
 GraphQL Formatter & Minifier Format, beautify, validate, or minify GraphQL queries and schemas instantly using standard indentation. 
  
  
 
 JSON Stringify Text Escape and stringify plain text or JSON structures into a single-line, fully escaped JSON string literal. 
  
  
 
 JSON Unstringifier & Unescaper Unescape stringified JSON objects back into readable, formatted JSON structures or plain text automatically. 
  
 
 
   
 
 
     
   
 
  
 
What is this tool?
 
JSON (JavaScript Object Notation) is the standard format used to transmit structured data in web applications. While machines read minified JSON easily, humans require proper indentation, brackets alignment, and line breaks to debug and read it efficiently. A JSON Formatter takes dense, unreadable JSON and beautifies it.
 
How to use it
 
 
1. Paste your raw, minified, or disorganized JSON text into the input field.
2. The formatter will instantly validate and beautify the text as you type.
3. Click "Minify" if you want to compact the JSON for storage or API payloads.
4. Click "Copy" to save the result to your clipboard, or "Clear" to start fresh.
 
  
 
Pro tips

 
     
  • You can toggle between 2-space indentation, 4-space indentation, and tab-spacing options.
  • If the JSON is invalid, a helpful error message with the character location will appear to guide your debugging.
    •  
  
  
 
Frequently asked questions
 
 
  Is my JSON data secure?   
 
Yes. All formatting, minification, and validation are processed entirely inside your browser using JavaScript. No JSON data is ever uploaded or transmitted to our servers.
 
 
  Does this tool validate JSON schema or syntax?   
 
Yes, it checks for syntax errors (such as missing commas, unclosed brackets, or trailing commas) and highlights exactly where the parsing failed.
 
 
  Can I format nested arrays and objects?   
 
Yes, the tool handles any valid nested JSON structure and outputs clean, indented text based on your selection (2 spaces, 4 spaces, or tabs).