Data | Convert

Convert Excel to CSV online

Convert XLSX or XLS to CSV in your browser with control over sheet, delimiter, and encoding.

Excel to CSV exports an XLSX worksheet as a CSV file with configurable delimiter and encoding. Everything runs locally in your browser. Excel to CSV on DocTools helps you convert Excel spreadsheets to CSV format, with no account needed. Add your Excel file, adjust the Excel to CSV options if you need to, then download the result immediately.

Why use Excel to CSV

Conversion runs locally in your browser. Nothing is uploaded.

How to use Excel to CSV

  1. Add an Excel file Drop your XLSX or XLS file.
  2. Pick a sheet and delimiter Choose the sheet and CSV delimiter.
  3. Download the CSV Save the resulting CSV.

Benefits

Feed any pipeline

CSV is the universal input for databases, BI, and scripting; export cleanly in one step.

Private conversion

Spreadsheets stay on your device, which matters for financial and HR data.

Encoding aware

Choose UTF-8 or Windows-1252 so downstream systems parse accents and symbols correctly.

Who it is for

Data engineers

Loading an Excel export into a warehouse Outcome: CSV ready for the ingestion job.

Ops

Sharing a sheet with a partner who cannot open XLSX Outcome: Compatible CSV without a license issue.

Finance

Handing an accountant a plain-text export Outcome: CSV that opens in any tool.

How it works

Excel to CSV reads the Excel structure in your browser, decodes its content into an in-memory representation, then re-encodes that data as CSV. Both the decode and encode steps of Excel to CSV run on your device, so nothing is transmitted and accuracy never depends on network conditions.

Frequently asked questions

Which sheet is exported?

The active sheet by default; choose another sheet in the tool.

Are formulas kept?

No. CSV stores values only. Formulas evaluate at export time.

Can I pick a delimiter?

Yes. Comma, semicolon, tab, and pipe are supported.

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Last updated: 2026-07-09