Instructions

• The Excel file must have at least the headers email and name (case-insensitive).
• Additional columns (e.g. age, salary, etc.) will be bundled as JSON attributes.
• The output CSV will have three columns: email, name, and a JSON string attributes.
• Empty or missing attribute cells will appear as empty strings in JSON.
• All processing is done locally in your browser, no data is uploaded to any server.
• After selecting the file, click Download CSV when ready.