CSV to XLSX, with Grid
Convert CSV to XLSX free, without uploading
A CSV export becomes a workbook with formatting, formulas and charts. Grid does it in your browser, on your own device.
Five steps
- Open Madosuite in your browser.
- In Files, press Upload and pick your CSV file.
- Open it with Grid.
- Open the CSV in Grid, format it, add formulas or a pivot table, then save as XLSX.
- Download the XLSX file from Files.
What does not come across
Nothing: XLSX holds everything a CSV has, and more.
GridSpreadsheet, alpha
Also saves CSV, TSV, PDF.
Questions
How do I convert CSV to XLSX for free?
Open the CSV file in Grid on Madosuite’s desktop and open the CSV in Grid, format it, add formulas or a pivot table, then save as XLSX.
Is my CSV file uploaded?
No. It goes into the Linux machine Madosuite runs in your browser, on your device, and the XLSX is made there.
What is lost when converting CSV to XLSX?
Nothing: XLSX holds everything a CSV has, and more.
Can I convert many files?
One at a time in Grid. Every file stays on your computer while you work.
Is Madosuite free?
Yes. The apps run on your own device, in the browser tab, so there is no server time to pay for. There is no trial period.