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JSON Formatter & Validator

Paste JSON to pretty-print it, minify it or find exactly where it is broken. Nothing you paste is sent anywhere.


            
Formatted JSON appears here. Tip: Ctrl+Enter formats.

            
        

    

    



    


    

        

                            

                    
How to use the JSON Formatter & Validator

                    
    
                                                    
  1. 
                                1
                                
    Paste or type JSON into the input box (or open a .json file).
    
                            
    2. 
                                                    
  2. 
                                2
                                
    Press Format to pretty-print it, or Minify to remove all whitespace. Errors show the line and column.
    
                            
    3. 
                                                    
  3. 
                                3
                                
    Copy the result or download it as a file.
    
                            
    4. 
                                            

                

            
                            

                    
Frequently asked questions

                    

                                                    

                                
                                    Why is my JSON invalid?
                                    
                                
                                
The usual causes are trailing commas, single quotes instead of double quotes, comments, or unquoted keys. The error message points at the exact line and column.

                            

                                                    

                                
                                    Is my data sent to a server?
                                    
                                
                                
No. Parsing and formatting happen in your browser, so API responses and config files with secrets stay private.

                            

                                            

                

            
                            

    
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