JSON Flattener

Convert nested JSON objects into a flat structure with dot-notation keys.

Input JSON

Flattened JSON

 
 
  
 
About JSON Flattener
 

Convert nested JSON objects into a flat structure with these features:

 
     
  • Flatten nested objects using dot notation
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  • Customizable key delimiter
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  • Handle arrays and complex structures
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  • Pretty printing with proper indentation
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  • Copy to clipboard and download results
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  • Preserve all data during flattening
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