Array to JSON Object Converter

Convert arrays of {key, value} objects back into structured JSON objects.

JSON object will appear here...

What Is Array to JSON Object Conversion?

Many data formats and APIs return data as arrays of key-value pair objects. This tool reconstructs a standard JSON object from such arrays, combining each element's key and value properties into a single flat object. This is essential for normalizing data from form submissions, database exports, and certain serialization formats.

How to Convert Array to JSON Object

  1. Paste your JSON array of {key, value} objects. Each element must have a key property and a value property.
  2. Click Convert to Object to combine all pairs into a single JSON object where each key maps to its corresponding value.
  3. Copy the resulting object for use in your application, API requests, or further data processing.

Frequently Asked Questions

What happens if duplicate keys exist?

The last occurrence of a key overwrites previous ones. Ensure your input array has unique keys for predictable results.

What if an element is missing the key or value property?

Elements without a key property are skipped. Elements missing a value will have undefined as their value in the output.

Can I convert a JSON object to an array?

Yes, use the Swap button to break a JSON object into an array of key-value pair elements.

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