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JSON Formatter, Validator & Tree Viewer

All processing happens in your browser. No data is uploaded.
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Input (JSON or XML)

Tip: Drag & drop a .json, .xml or .txt file anywhere on the page.

Preview / Tree


                  

                    

                  

                

                
Preview shows color‑highlight + a collapsible tree below it.

              

            


            
            
          

        

      


      
      

        

          

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Tips

              
    
                
  • Format auto-detects XML and converts to JSON.
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  • Use Validate to find syntax errors in JSON.
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  • Sort Keys alphabetizes object keys (not arrays).
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  • Search scans keys and values. Use Next/Prev.
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  • Everything runs locally in your browser.
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