CSV to Excel Converter — Free Online Tool
Convert CSV files to Excel XLSX format instantly. Upload your CSV and download a properly formatted Excel spreadsheet with bold headers and auto-sized columns.
Convert in Three Steps
The whole process takes under a minute, even for large files.
Upload your file
Drag and drop or click to browse. SQL, SQLite, CSV and JSON files up to 50 MB are accepted.
Pick your target
Select the output format. The source format is detected automatically from your file.
Download the result
Your converted file is ready in seconds. Import it directly into your database.
Every Syntax Difference Handled Automatically
CSV files are great for data exchange but lack the rich formatting and features of Excel spreadsheets. When you need to share data with Excel users, add formulas, or create charts, converting to XLSX is the way to go.
Our converter reads your CSV file and creates a properly formatted Excel workbook. Headers become bold, data is auto-sized, and you get a clean XLSX file ready to open in Excel or Google Sheets.
Related Conversions
Other conversions you might need alongside CSV to Excel (XLSX).
Common Questions
Yes. Headers are made bold, columns are auto-sized, and the data is formatted as a clean Excel table.
Yes, up to 50 MB. Excel has its own limits on rows and columns, so very large CSVs may need to be split.
UTF-8 encoding is preserved. Excel will display international characters correctly.
Related Conversions
Ready to Convert Your CSV to Excel (XLSX) File?
Upload your file above and get a converted result in under a minute. No account, no cost, no catch.