Compress the PDF file into a ZIP archive using your computer’s built-in compression feature
On Windows, right-click the PDF file, select Send to, then choose Compressed (zipped) folder
On Mac, right-click the PDF file, select Compress
On Linux, right-click the PDF file and choose Compress, or use the archive manager
Rename the resulting ZIP file if needed
Use an online PDF to ZIP converter only if you specifically need a web-based tool
Download the ZIP file after conversion if using an online service