TToolsKit

CSV → Excel (XLSX)

Convert CSV to a real Excel workbook (.xlsx). Preserves numbers, dates, and text.

Paste, drop a file, or .

How to use csv → excel (xlsx)

  1. 1
    Paste or drop CSV

    First row becomes the header.

  2. 2
    Download XLSX

    Get a ready-to-open Excel file.

Frequently asked questions

Does it preserve numeric types?
SheetJS auto-detects numbers and dates. Strings stay strings.

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