CSV to Excel Converter
Convert CSV files or pasted CSV data into a downloadable Excel XLSX workbook. Column values are preserved as text to protect IDs and leading zeros.
Your input is sent to this site only after you choose Convert to Excel. The conversion runs for this request and no history is saved. Upload up to 4 MiB combined; Office files have a 2 MiB limit.
Before you convert: CSV contents are sent to this site only after you choose Convert to Excel. The temporary conversion request is not saved.
Enter your text
Edit the example text or paste your own content.
How to use CSV to Excel Converter
- Paste or edit the csv data.
- Select convert to excel to process the input locally through a temporary Vercel server request.
- Review the output, then copy it or download the converted file.
Convert CSV to Excel without losing useful fields
Creates a real .xlsx workbook with a clearly formatted header row. Values stay as text so account numbers, postal codes and long identifiers are not silently changed by spreadsheet type guessing.
Check the output before importing it
The converter reports invalid or unsupported input rather than guessing silently. Review the generated values in the destination application, especially date formats, nested data and identifiers that may have special meaning there.
Example input
name,city,account_id Ada,London,00123 Linus,Helsinki,00456
Is my input stored?
This conversion is sent to the site only when you select the convert button. The request is processed for the result and no conversion history is saved.
Is input uploaded?
This tool sends input to this site’s conversion API after you select Convert on server. Files use bounded workers and, when needed, private temporary folders deleted after processing or cancellation. No conversion history is saved. The converter does not upload files to a third-party conversion service.