All free toolsDocument tool · 100% free
CSV ↔ Excel Converter
Convert CSV to Excel or XLSX to CSV online with encoding, delimiter detection and data preview.
Built for: csv to excel
Deleted as soon as you download itFree · fair-use only
Drop file file hereCSV · XLSX output · one source file
Included in this tool
CSV→XLSXXLSX→CSVDelimiter detectionEncodingColumn preview
What this tool includes
Everything you need, without a paywall.
CSV→XLSX
XLSX→CSV
Delimiter detection
Encoding
Column preview
This tool is free, needs no account, and adds no watermark to your result. Text operations run on your device where the browser can do the work safely; file conversions run on the server and your upload is deleted as soon as your download finishes.