Sumatra PDF

Sumatra PDF

A free PDF, eBook, and comic book reader for Windows.

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Sumatra PDF is a minimalist, incredibly fast document reader for Windows. It abandons bloated features in favor of extreme performance and low resource consumption.

In addition to rendering PDFs instantaneously, it supports a wide variety of formats including EPUB, MOBI, CHM, XPS, and comic book formats (CBZ and CBR), making it the perfect lightweight reading utility.

Key Features

Extremely fast launch and rendering times
Supports PDF, EPUB, MOBI, CBZ, and more
Minimalist, distraction-free interface
Portable version available (requires no installation)

Frequently Asked Questions

Is Sumatra PDF free and open source?

Yes, Sumatra PDF is open source. It is released under the GPL-3.0 license.

What can I use instead of Adobe Acrobat Reader?

You can use Sumatra PDF as a free, open-source alternative to Adobe Acrobat Reader.

What is Sumatra PDF written in?

It is built using Python, TypeScript, C, Assembly, C++.

Project Details

Status Active
GitHub Stars 17,698
Forks 2,050
Open Issues 64
Last Commit Oct 4, 2026
License
GPL-3.0
Platforms
Windows
Categories
Utilities
Submitted by
Pakrosoft Editorial

Alternative To

⇄ Adobe Acrobat Reader ⇄ Foxit Reader

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