Convert CSV files to Excel in seconds. No watermarks, no sign-up — and your files are deleted automatically.
Drop your files here or browse
CSV files or any other supported format
Drag and drop your CSV files or click to browse.
Excel is pre-selected for you. Change options if you need to.
Click Convert and download your new Excel file instantly.
CSV (Comma-Separated Values) stores raw table data as text, making it the go-to format for importing into databases, CRMs and analytics tools.
XLSX is the Microsoft Excel workbook format, supporting multiple sheets, formulas, charts and rich formatting.
Professional engines produce clean, accurate Excel files.
Convert up to 20 CSV files at once and get them back in a single ZIP.
HTTPS uploads, no human access, and automatic deletion after 60 minutes.
Drop your CSV file into the converter above, make sure Excel is selected, and click Convert. Your Excel file is ready to download in seconds.
Yes. FileFlexify converts CSV to Excel for free, with no watermarks and no sign-up required.
Files are uploaded over an encrypted HTTPS connection, processed automatically without human access, and permanently deleted after 60 minutes.
Yes — add up to 20 files (50 MB each). When you convert more than one file you'll receive a single ZIP with all your Excel files.
Create a free account to keep a history of your conversions and get higher usage limits.