What is Sumatra PDF?

Sumatra PDF is a free PDF, eBook (ePub, Mobi), XPS, DjVu, CHM, Comic Book (CBZ and CBR) reader for Windows.

Sumatra PDF is powerful, small, portable and starts up very fast.

Simplicity of the user interface has a high priority.

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Download from here.

More information

Found a bug? Submit a bug report.

Have a question or feedback about Sumatra? Use the forum.

Want to help translate Sumatra? See this translation guide. All new mp3 songs download.

We also have a quickstart manual and extensive documentation with more information.

Check serial number of this machine. Are you a developer? The source code is on GitHub.