Convert CSV to Excel Online — Free CSV to XLSX
Turn a CSV file into a ready-to-use Excel (.xlsx) workbook. Commas, semicolons, or tabs and the text encoding are detected automatically — no more garbled columns.
Auto-detect the format, preview your table, and download the converted file.
A fast, private CSV to Excel converter
Open messy CSV files as clean Excel spreadsheets, no upload required.
Auto delimiter & encoding
Comma, semicolon, and tab separators and the character encoding are detected for you — including UTF-8 and GBK.
No more garbled text
Non-English characters are decoded correctly, so columns and text land in the right place.
Client-side & private
Your CSV is parsed locally in your browser and never sent to a server.
How to convert CSV to Excel
Three steps, fully in your browser.
Upload your CSV
Drag and drop a .csv file, or click to choose one.
Preview the table
Check that rows and columns are split correctly in the preview.
Download Excel
Download a standard .xlsx file, ready to open in Excel, Numbers, or Google Sheets.
Related conversions
Jump to a reverse or related contact file conversion.
CSV to Excel — FAQ
Is this CSV to Excel converter free?
Yes. It is completely free and runs in your browser with no sign-up required.
Which CSV delimiters are supported?
Comma, semicolon, and tab-separated files are detected automatically, so most CSV exports just work.
Will non-English characters display correctly?
Yes. The character encoding is auto-detected (UTF-8, GBK, Big5, and more), so accented and non-Latin text is decoded correctly.
Is my data uploaded?
No. The CSV is parsed locally in your browser and never sent to a server.
Convert another file
Need Excel back to CSV, or a different format? Explore the full toolset.