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Convert Excel to JSON privately in your browser
Turn any worksheet in an .xlsx or .xlsm workbook into JSON. Use the first row as property names or export a simple array of rows.
- Object or row-array output
- Readable JSON preview
- No server upload
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Your workbook never leaves this device. No file is uploaded, stored or sent to our server.
This free Excel to JSON conversion is an automated structural check, not an assurance that calculations or business decisions are correct. Keep an untouched backup of every workbook.