If you already have a DjVu viewer like or DjView , you don't necessarily need a dedicated converter. You can "print" the document to a PDF file using a virtual printer like novaPDF or the built-in "Microsoft Print to PDF". Quick Online Options (No Download Required)

This specialized utility is noted for its user-friendly interface and support for efficient JBIG2 encoding, which keeps black-and-white PDF file sizes small. Alternative "Virtual Printer" Method

If you're looking for a reliable way to convert DjVu files to PDF, several reputable software options and methods are available for download. Recommended Downloadable Software

These programs allow for offline conversion, which is often faster and more secure for private documents:

This all-in-one office suite allows you to open DjVu files and export them directly to PDF using its built-in "Export to PDF" feature.

Widely considered one of the best open-source options for e-book management, Calibre can easily convert DjVu to PDF on both Windows and Mac.