JSON Diff (Compare)

Compare two JSON objects and highlight differences (Added, Removed, Modified).
A
B

Drag & drop a JSON file here (loads into Input A), or click to browse

File is read locally — nothing is uploaded to any server


                

            

        

    


    
                        

                    

                

                                                    

    

        
 Features

    



    
    
        
  • JSON File Upload: Upload .json files directly into Input A or Input B — read locally in your browser, nothing is sent to any server.
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  • Drag & Drop: Drag and drop a JSON file onto the drop zone (loads into Input A).
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  • Smart Comparison: Deeply compares two JSON objects to find added, removed, and modified keys.
        
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  • Visual Highlighting: Uses standard color conventions (Green for additions, Red for deletions)
            for instant readability.
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  • Structure Aware: Works with nested objects and arrays.
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 How to Use

    



    
    
        
  • Upload JSON files using the file pickers (A and B), or drag & drop a file onto the drop zone (loads into A).
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  • Alternatively, paste the original JSON in the Left box and the modified JSON in the Right box.
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  • Click Compare JSON.
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  • Scroll down to see the line-by-line difference.
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