Inkwell Data / File converter / Excel to CSV

Convert Excel to CSV

Save any sheet of an .xlsx workbook as a clean CSV file, ready to import into a database, CRM or another app.

1 Choose your file
Drop a file here, or click to choose CSV, TSV, Excel (.xlsx), JSON, JSON Lines or Parquet · stays on your device

How it works

Pick the sheet if your workbook has several. Dates come out as YYYY-MM-DD, formulas come out as their calculated values, and you can tick “Excel-friendly CSV” if the file will be opened in Excel again and has accented characters.

Drop your Excel file above, check the preview, and click Convert & download. CSV is already selected, but you can pick any other format from the list.

Other conversions

Questions

My workbook has several sheets. Which one is converted?

The first visible sheet, to start with. A Sheet picker appears next to the file name so you can switch to any other sheet before downloading.

What happens to formulas?

Each formula cell is saved as the value Excel last calculated, which is what other apps expect in a CSV.

Can I convert old .xls files?

Not directly. Open the .xls in Excel or Google Sheets and save it as .xlsx or .csv first.

Are my files uploaded anywhere?

No. The conversion happens in your own browser. There is no server receiving your data, no account and no daily limit.