Run it in three clear moves
- Add your input, run the tool, and review the result.
Upload a CSV file and convert it into an XLSX spreadsheet. Choose the delimiter and whether the first row should be treated as a header row.
Add the source material and options needed for this run.
The output will stay here while you adjust the input.
Upload a CSV file to convert it into XLSX.
The essentials stay open. Deeper guidance is one deliberate step away.
Yes. When header-row mode is enabled, the first row is bolded and frozen in the XLSX output.