Does the first row become the table header?

Yes — the first pasted row is used as the header row, and every row after it becomes a data row.

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Excel to HTML

Convert cells copied from Excel into an HTML <table> — paste the copied cells directly (Excel copies as tab-separated text), not an .xlsx file upload.

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Excel Data (paste from Excel)

How to Use Excel to HTML

1Select and copy your cells in Excel (Ctrl+C)
2Paste them into the input box
3Copy the generated HTML table

Frequently Asked Questions

No — this tool doesn't read binary .xlsx files at all. Select and copy your cells directly in Excel (Ctrl+C), then paste them into the input box; Excel copies cell ranges as tab-separated text, which this tool parses.

Yes — the first pasted row is used as the <th> header row, and every row after it becomes a <td> data row.

No — the conversion happens entirely in your browser.

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Excel to JSON

Convert cells copied from Excel into a JSON array of objects — paste the copied cells directly (Excel copies as tab-separated text), not an .xlsx file upload.

CSV to Excel

This page does not generate a real .xlsx file — building a genuine binary Excel workbook needs a real spreadsheet library, which this client-side tool doesn't include. Points you to a real, simple alternative: open your CSV directly in Excel.

CSV to HTML

Convert CSV text into an HTML <table>, with the first row becoming the header — paste your CSV, no file upload needed.

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