How do I upload a CSV file?

Either paste your CSV text directly into the text area, or click the upload area to select a .csv or .txt file from your device.

Does it handle quoted fields?

Yes, fields wrapped in double quotes are handled correctly. Commas inside quoted fields are preserved.

Yes. All conversion happens locally in your browser. Your CSV data is never uploaded to any server.

Spreadsheet Tools

Paste or upload CSV data to convert it to Excel (XLSX). Files are processed in your browser.

Paste or upload CSV data to convert it to Excel (XLSX). Files are processed in your browser.

Or upload a .csv file

Files are processed in your browser and are not uploaded to any server.

How do I upload a CSV file?: Either paste your CSV text directly into the text area, or click the upload area to select a .csv or .txt file from your device.
Does it handle quoted fields?: Yes, fields wrapped in double quotes are handled correctly. Commas inside quoted fields are preserved.
Is my data private?: Yes. All conversion happens locally in your browser. Your CSV data is never uploaded to any server.