Convert Excel to CSV
Open an XLSX file, preview the first sheet, and download a CSV file from the same page.
Excel to CSV Converter
Convert XLSX to CSV in your browser. No login. No upload.
Free
No login
Local only
Drop XLSX here
Preview the first sheet, then download your CSV file.
Visible columns
Private Excel to CSV converter
Excel to CSV Converter
Convert XLSX files to CSV directly in your browser. Preview the sheet, search rows, hide columns if needed, and download CSV without sending your spreadsheet to a server.
XLSX input
No login required
Your file stays local
Browser-based XLSX files are processed locally.
Preview first Check the sheet before download.
CSV output Download clean CSV from the preview.
Inspect rows first
Search the preview table and hide columns before downloading your CSV output.
No upload required
Conversion runs in your browser, so your Excel file does not need to be uploaded to a cloud converter.
Excel to CSV FAQ
Can I convert Excel to CSV online?
Yes. Open an XLSX file, preview the sheet, then use Download CSV.
Is my Excel file uploaded?
No. The XLSX file is read in your browser and converted locally.
Does it support XLS files?
This first version focuses on modern XLSX files. Legacy XLS support can be added later.
Which sheet is converted?
The first worksheet is converted in this version. Sheet selection is planned for a later update.