CSV and XLSX Converter
Convert spreadsheets between CSV and Excel XLSX locally. Your file stays in this browser.
Click or drag a file to convert
Accepts .csv files
Magmatum Spreadsheet Systems • Local Processor
How to use
How to use the CSV and XLSX Converter
Convert spreadsheet files between CSV and XLSX directly in your browser without uploading files to a server.
01
Upload file
Choose a CSV or XLSX file from your device to process locally in the browser.
02
Choose output format
Select whether you want to convert the file into CSV or XLSX.
03
Start conversion
Run the conversion and wait until the new file is ready.
04
Download result
Save the converted file to your device and use it in Excel or other spreadsheet tools.
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