Sumatra PDF is a slim, free, open-source PDF viewer for Windows with minimalistic design. Simplicity has a higher priority than a lot of features. Sumatra PDF small and starts up very fast. Sumatra does not lock the PDF file. Without closing the PDF file, a user can recompile the text document and generate a new PDF file and then press the R key to refresh the PDF document.
Sumatra PDF is designed for portable use: it's just one file with no external dependencies so you can easily run it from external USB drive.
- Open PDF files via menu.
- Open PDF files via drag & drop.
- Many keyboard shortcuts for quick navigation
- You can set it as your default PDF viewer.
- Set different zoom levels via menu.