JSON BEAUTIFIER & FORMATTER TOOL

Use PrimeNotepad Online JSON Formatter To Beautify, Validate, And Minify JSON Instantly. Free JSON Beautifier Online Tool With Built-In JSON Validator Support.

JSON Beautifier & Formatter online — PrimeNotepad

JSON Formatter Online Free - Beautify & Validate JSON Data

JSON Validator Free Online - Check Syntax & Format Instantly

JSON Code Online - Edit & Format JSON in Real-time

Online JSON Code Editor - Format Code & Text with Ease
JSON to QR Code Online - Generate & Share JSON Data

Use our free online JSON formatter to beautify, validate, and minify JSON code. The best JSON validator and formatter online free for developers. Easily format your JSON code or text with our intuitive interface. Whether you need to format code snippets or process large JSON text files, our tool handles it all. Edit JSON code online with our powerful JSON code editor. Convert JSON to QR code online and share your data easily. Generate QR code from JSON data with our free online tool - simply paste your JSON and get a scannable QR code instantly. Perfect for sharing configuration files, API responses, or any JSON data on the go.

Formatting Options

Input JSON

1
Lines: 0 | Characters: 0

Formatted JSON

1

						

						

							Lines: 0 | Size: 0 bytes
							
						

					

				

			


			
			


			
			

				

					

					Ready to format JSON
				

			


			
			
		

	


	

		

			
Online JSON Beautifier & Formatter Tool

			

				PrimeNotepad JSON Beautifier helps you format and organize messy JSON data instantly. It improves readability by converting unstructured JSON into clean and properly indented code. The tool also validates JSON and highlights syntax errors for quick debugging. Ideal for developers, API testing, and configuration files, it offers a fast and secure online experience. Beautify, minify, and manage JSON data easily without installing any software.
			

		

	


		
	

		

			
How It Works

			

				

					

						1
					

					
Drop In Your JSON

					
Open the left-side input panel and paste any JSON — whether it's a single object, a deeply nested API response, or a minified blob with no spaces.

				

				

					

						2
					

					
Tune the Output

					
Pick 2- or 4-space indent, tab width, alphabetical key ordering, comment removal, or single-line arrays — each setting reshapes the output instantly.

				

				

					

						3
					

					
Format or Fix Errors

					
Hit Beautify to get a clean, readable result. Use Validate to surface broken commas, missing brackets, or bad quotes before they break your app.

				

				

					

						4
					

					
Export Your Result

					
Grab the output with one-click copy to clipboard, or save it directly as a .json file — ready to commit, share, or drop into your project.

				

			

		

	


			
	

		

			
See It in Action

			
Before and after formatting with PrimeNotepad JSON Beautifier.

			

				

					

						
						Raw / Minified Input
					

					
{"user":{"id":101,"name":"Alice","roles":["admin","editor"],"address":{"city":"Berlin","zip":"10115"}},"active":true,"score":98.6}

				

				

					

						
						Beautified Output (2-space indent)
					

					
{
  "user": {
    "id": 101,
    "name": "Alice",
    "roles": ["admin", "editor"],
    "address": {
      "city": "Berlin",
      "zip": "10115"
    }
  },
  "active": true,
  "score": 98.6
}

				

				

					

						
						Broken JSON with Error
					

					
{"product":"Laptop","price":999,"tags":["tech","sale",],"inStock":true}

					
⚠ Trailing comma inside array — common mistake caught by Validate.

				

				

					

						
						Sorted Keys Output (alphabetical)
					

					
{
  "inStock": true,
  "price": 999,
  "product": "Laptop",
  "tags": ["sale", "tech"]
}

					
✓ Keys sorted A→Z using the Sort Keys option.

				

			

		

	

	
	

		

			
Why Use PrimeNotepad JSON Beautifier?

			

				

					

						
					

					
No Install Required

					
Works entirely in your browser. No extensions, no sign-up, no data ever leaves your machine — format JSON privately and instantly.

				

				

					

						
					

					
Catches Hidden Errors

					
The validator pinpoints the exact line and character where your JSON breaks — trailing commas, mismatched braces, or unescaped strings included.

				

				

					

						
					

					
Multiple View Modes

					
Switch between Code, Tree, Form, Text, and View modes on the output panel — read the same data in whichever layout makes the most sense for your task.

				

				

					

						
					

					
Instant Statistics

					
After formatting, see the exact byte size, total lines, maximum nesting depth, and key count — useful for spotting bloated payloads at a glance.

				

				

					

						
					

					
One-Click Minify

					
Strip all whitespace and produce a compact single-line JSON string — ideal before embedding in environment variables or sending lightweight API payloads.

				

				

					

						
					

					
Download as File

					
Export the formatted or minified output directly as a .json file — no copy-paste into a text editor needed.

				

			

		

	


	
	

		

			

				

					
				

				
Easily format JSON code and text with our online JSON formatter. Convert and share your data by generating QR codes from JSON online. Our tool helps you generate QR code from JSON online with just one click. Perfect for all JSON format code needs, from simple JSON format text editing to complex data processing.

			

			
Who Uses This Tool?

			
Real scenarios where the JSON Beautifier saves time every day.

			

				

					
API

					

						
Debugging API Responses

						
You get a wall of minified JSON back from an endpoint. Paste it here, hit Beautify, and the nested structure becomes readable within seconds — no IDE needed.

					

				

				

					
CFG

					

						
Reviewing Config Files

						
Sort keys alphabetically and use 4-space indent to bring consistency to package.json, tsconfig.json, or any project config before committing.

					

				

				

					
QA

					

						
Pre-Deployment Validation

						
Run Validate before pushing a config or schema file to catch a stray trailing comma or missing quote that would silently break a production service.

					

				

				

					
DOC

					

						
Writing Technical Docs

						
Use compact arrays and 2-space indent to produce clean, paste-ready JSON samples for README files, API documentation, or Postman collections.

					

				

			

		

	

	
	

		

			

				
JSON Beautifier & Formatter

				

					Transform messy JSON into beautifully formatted, readable code with our professional JSON beautifier and validator tool.
				

			


			

				

					
How does JSON beautification work step by step?

					

						First, paste your raw JSON into the input editor. The tool reads the structure, checks whether brackets, commas, quotes, arrays, and objects are written correctly, and then formats the data with clean indentation. After that, it displays the result in the output area with line numbers, making nested objects and arrays easier to read, review, copy, or download.
					

				

				

					
What does the JSON validator check?

					

						The JSON validator checks whether your JSON follows the correct syntax rules. It helps find common problems such as missing commas, extra commas, unclosed brackets, invalid quotes, or broken key-value pairs. This is useful before sending data to an API, saving configuration files, or using JSON in an application where one small mistake can break the result.
					

				

				

					
Which format options can you use?

					

						You can change indentation, sort object keys alphabetically, remove JSON-style comments, and keep simple arrays on one line. These options help you prepare JSON for different needs, such as readable debugging, clean documentation, compact sharing, or organized code reviews. When you change an option, the output updates automatically.
					

				

				

					
What other JSON views are available?

					

						Besides the normal code view, you can switch between form, text, tree, and summary views. Code view is best for developers, text view is useful for plain copying, tree view helps understand nested data, form view shows values in a key-value layout, and summary view gives a quick idea of the JSON structure.
					

				

			


			

				

					

						
					

					
Instant Beautification

					
Format JSON with proper indentation, spacing, and structure in milliseconds.

				

				

					

						
					

					
JSON Validation

					
Detect and highlight syntax errors with detailed error messages and line numbers.

				

				

					

						
					

					
Minification

					
Compress JSON by removing unnecessary whitespace for production use.

				

			

		

	


	
	

		

			
Complete JSON Beautifier Guide

			
			

				

					
How to Use

					
    
						
  1. 
							1
							Paste your JSON data into the input area
						
    2. 
						
  2. 
							2
							Choose your formatting preferences
						
    3. 
						
  3. 
							3
							Click "Beautify" to format your JSON
						
    4. 
						
  4. 
							4
							Copy or download the formatted result
						
    5. 
					

				

				

					
Key Features

					
    
						
  • 
							
							Real-time JSON validation
						
    • 
						
  • 
							
							Customizable indentation
						
    • 
						
  • 
							
							Key sorting options
						
    • 
						
  • 
							
							Error highlighting
						
    • 
						
  • 
							
							One-click copy & download
						
    • 
					

				

			

		

	


	
	

		

			
Real-World JSON Beautifier Use Cases

			
			

				

					

						
					

					
For Developers

					
    
						
  • 
							✓
							Debug API responses and configuration files
						
    • 
						
  • 
							✓
							Format JSON data for code reviews
						
    • 
						
  • 
							✓
							Validate JSON schemas and structures
						
    • 
						
  • 
							✓
							Prepare JSON for documentation
						
    • 
					

				

				

					
📊

					
For Data Analysis

					
    
						
  • 
							✓
							Clean and format data exports
						
    • 
						
  • 
							✓
							Validate data integrity
						
    • 
						
  • 
							✓
							Prepare data for visualization tools
						
    • 
						
  • 
							✓
							Transform JSON for different systems
						
    • 
					

				

			

		

	


	
	

		

			
Frequently Asked Questions

			
Common questions about the JSON Beautifier & Formatter tool.

			

				

					
						How does JSON beautification work step by step?
						
					
					

						Drop any JSON into the left panel — whether it's a single-line minified blob or a partially broken response from an API. The formatter rebuilds the full hierarchy using the indent size you've selected and displays the output on the right with line numbers, so deeply nested objects and arrays are easy to scan, edit, or save.
					

				

				

					
						What does the JSON validator check?
						
					
					

						The validator checks for correct JSON syntax rules. It finds problems such as missing commas, trailing commas, unclosed brackets, invalid quotes, or broken key-value pairs — pointing to the exact line and character where the error occurs.
					

				

				

					
						Which formatting options are available?
						
					
					

						You can change indentation (2 spaces, 4 spaces, or tab), sort object keys alphabetically, remove JSON-style comments, and keep simple arrays on one line. Each option updates the output instantly without reloading the page.
					

				

				

					
						What output view modes are available?
						
					
					

						You can switch between Code, Tree, Form, Text, and View modes. Code view is best for developers, Tree view helps understand nested data, Form view shows a key-value layout, and Text view is ideal for plain copying.
					

				

				

					
						Is this JSON beautifier free to use?
						
					
					

						Yes, completely free. The tool runs entirely in your browser — no sign-up, no installation, and no data is sent to any server.
					

				

				

					
						Can I download the formatted JSON?
						
					
					

						Yes. After formatting or minifying, click the Download button in the toolbar to save the result as a .json file directly to your device — no extra steps needed.
					

				

			

		

	


	
	

		

			
Stop Squinting at Unreadable JSON

			
Every developer eventually hits a wall of minified JSON with no spaces, no structure, and no clue where the bug is hiding. PrimeNotepad JSON Beautifier turns that wall into a clean, indented tree in under a second — right inside your browser, with no account, no upload, and no waiting.

			
Whether you're chasing a missing comma in a config file, reviewing an API payload for a code review, or preparing clean JSON samples for documentation, this tool handles it without getting in your way. Format it, validate it, sort it, minify it, and move on — that's the whole point.

		

	


	
	

		

			
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