100% Client-Side & Private • Zero Server Uploads

UTF-8 Ready

Convert Excel to CSV Online (.xlsx to .csv) - UTF-8 Compliant

Export Excel workbooks (.xlsx, .xls) to clean UTF-8 comma-separated value (CSV) text files with proper quoting.

Excel.xlsx

CSV.csv

Drop your Excel file here or browse

Drag and drop from your computer, browse, or pasteCtrl / ⌘ + V

Accepted:.xlsx.xls

Processed locally in browser - never uploaded to any server

Max 10MB for free in-browser conversion

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Step-by-Step Guide

How to Convert Excel to CSV Online in 3 Simple Steps

Convert your data effortlessly with zero installations and complete local privacy.

1Step 1:
Upload Excel File
Drop your .xlsx or legacy .xls spreadsheet into the conversion box.
2Step 2:
Configure Delimiters
Choose standard comma (,) or international semicolon (;) delimiter settings.
3Step 3:
Download Clean CSV
Save your UTF-8 encoded CSV file immediately with RFC 4180 quotation compliance.

Help & Documentation

Frequently Asked Questions About EXCEL to CSV Conversion

Everything you need to know about formats, privacy, and browser-based file conversion.

Is the exported CSV encoded in UTF-8?

Yes. All CSV files are generated with UTF-8 encoding and a standard byte-order mark (BOM) to ensure international characters open correctly in Excel and Google Sheets.

How are cells containing commas or line breaks handled?

Our engine adheres to the RFC 4180 standard, wrapping cells with commas, quotes, or newlines in quotation marks and escaping internal quotes as "".

Is there a limit on row count for Excel to CSV conversion?

In-browser conversion comfortably processes spreadsheets with over 100,000 rows within 1–2 seconds.

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