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description Sumatra PDF Overview
Sumatra PDF is a lightweight, free PDF reader for Windows. It is designed to be as fast as possible, opening documents almost instantly. It supports PDF, eBook (ePub, Mobi), XPS, DjVu, CHM, and Comic Book (CBZ and CBR) formats. It is incredibly minimalist, which is both its greatest strength and its weakness; it lacks annotation, editing, and form-filling capabilities.
If you only need to view documents quickly without the bloat of Adobe Acrobat, Sumatra is the best, most affordable choice available.
help Sumatra PDF FAQ
What is Sumatra PDF?
Sumatra PDF is a lightweight, free PDF reader for Windows. It is designed to be as fast as possible, opening documents almost instantly. It supports PDF, eBook (ePub, Mobi), XPS, DjVu, CHM, and Comic Book (CBZ and CBR) formats. It is incredibly minimalist, which is both its greatest strength and its weakness; it lacks annotation, editing, and form-filling capabilities. If you only need to view documents quickly without the bloat of Adobe Acrobat, Sumatra is the best, most affordable choice available.
How good is Sumatra PDF?
Sumatra PDF scores 6.0/10 (Fair) on Lunoo, making it rated in the SAAS category.
What are the best alternatives to Sumatra PDF?
See our alternatives page for Sumatra PDF for a ranked list with scores. Top alternatives include: Firefox, LibreOffice, 7-Zip.
How does Sumatra PDF compare to Firefox?
See our detailed comparison of Sumatra PDF vs Firefox with scores, features, and an AI-powered verdict.
Is Sumatra PDF worth it in 2026?
With a score of 6.0/10, Sumatra PDF is a solid option in SAAS. See all SAAS ranked.
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