How does it format headers into JSON keys?

The first row of your spreadsheet is used as the key names for each JSON object in the array.

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Excel to JSON

Convert Excel spreadsheets into structured JSON format for developers and APIs.

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Converts rows directly to clean JSON object array

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Instant copy to clipboard & format toggle

100% private in-browser processing

Simple Workflow

Get results in three quick steps without any learning curve.

Select or drop your .xlsx or .xls spreadsheet.

Choose which sheet you want to export as JSON.

Copy the formatted JSON or save it as a .json file.

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