SumatraPDF is an open-source, collaborative project. We always welcome new developers who want to join the project, contribute code and new features.

Getting the sources and compiling

You'll need Visual Studio 2019. A free Community edition will work.
Open vs2019/SumatraPDF.sln compile and run.
Read more about our build system .

Contribute to SumatraPDF

We use a standard GitHub model:
Before you start working on a significant addition, it's a good idea to first discuss it in issue tracker .

Bug reports? Feature requests? Questions?

You can use issue tracker for development related topics or forums for general topics.

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