Which delimiters are supported?

Comma, semicolon, and tab. You can choose before converting.

Which Excel format is generated?

Modern .xlsx format (Office Open XML), compatible with Excel 2007+ and LibreOffice.

No, conversion is done entirely in your browser using SheetJS. No data is uploaded.

🇬🇧WebFileTools/CSV to Excel Converter

1. Séparateur du fichier CSV

📊

Glissez un fichier .csv ici

ou cliquez pour parcourir

WebFileTools CSV to Excel Converter transforms your CSV files into .xlsx spreadsheets directly in the browser.

Import your CSV file, choose the delimiter, then click Convert and download the Excel file.

Which delimiters are supported?: Comma, semicolon, and tab. You can choose before converting.
Which Excel format is generated?: Modern .xlsx format (Office Open XML), compatible with Excel 2007+ and LibreOffice.
Is the file sent to a server?: No, conversion is done entirely in your browser using SheetJS. No data is uploaded.

Convert your Excel (.xlsx, .xls) files to CSV in your browser. Choose your delimiter and encoding. 100% local, free.

Convert JSON to CSV and vice versa. File import and one-click export. 100% in the browser.

Validate, format, and minify JSON. Syntax highlighting and file import. 100% in the browser.