: Use libraries like SheetJS (xlsx) to convert JSON or HTML table data directly into an .xlsx blob.
: Pass output.getvalue() to a download button component to serve the file directly to the user. Method 3: Manual Workflow (Excel Desktop)
If you want a button within Google Sheets that downloads only the current sheet, you can use a script to extract just that tab and serve it as a download link. Download one sheet xlsx
For a custom dashboard or website, you need to generate the file in memory and trigger a browser download.
To develop a feature for downloading a single sheet as an .xlsx file, the implementation depends on whether you are working within an existing platform (like Google Sheets) or building a custom web application. : Use libraries like SheetJS (xlsx) to convert
: The script copies the active sheet to a temporary spreadsheet and generates a download URL for that specific file in .xlsx format.
: Use SpreadsheetApp.getUi().showModalDialog() to display a "Click to Download" link to the user. Method 2: Custom Web App (JavaScript / Python) For a custom dashboard or website, you need
: Use the XlsxWriter or Pandas libraries to write a single dataframe to an in-memory buffer ( BytesIO ).