{} JSON Formatter

validator · syntax highlight · formatter

The JSON Formatter & Validator helps you format and validate JSON in real time with highlighted syntax.

It supports lenient inputs like comments, unquoted keys, and trailing commas (option). In output you can pick Format or Minify with indentation and sorted keys.

Indentation
Sort keys
Remove trailing comma
Escape unicode
Action
JSON input

Formatted JSON will appear here


                                        


                                        

                                            

                                                

                                                    
                                                    
The tree view will appear with valid JSON

                                                

                                            

                                        


                                        

                                            

                                                

                                                    
                                                    
JSON statistics will appear here

                                                

                                            

                                        


                                        

                                            

                                                

                                                    
                                                    
No error detected

                                                

                                            

                                        

                                    

                                

                            

                        

                    


                    

                        
How to use JSON Formatter & Validator

                        
Paste your JSON and the tool validates it in real time.
Options
  • Indentation: choose 2/4/8 spaces or tab.
  • Sort keys: keep keys ordered consistently.
  • Remove trailing comma: enable trailing comma handling.
  • Escape unicode: control how \uXXXX sequences are rendered.
  • Action: Format or Minify.
If the JSON is invalid, check the error position and the suggestions in the Errors tab.