Convert CSV to Excel
No more broken accents and jumbled columns when opening a CSV: turn it into a real .xlsx.
Your files are processed directly in your browser. They are never uploaded to a server.
How to convert CSV to Excel
- 1
Paste the CSV or open the file.
- 2
Check the preview and detected separator.
- 3
Press “Download Excel”.
About this tool
Many CSVs open badly in Excel because of a different separator or encoding. We read the file correctly and build an .xlsx that always opens well.
Numbers are stored as numbers (so you can add them up) and the first row is bold and frozen while you scroll.
Frequently asked questions
Does it work with Google Sheets and LibreOffice?
Yes, the .xlsx file works in Excel, Google Sheets, LibreOffice and Numbers.
Will leading zeros be lost?
If your data has codes like 00123, turn off “Store numbers as numbers”.