Sumatra PDF
WindowsLightweight and fast document reader for Windows
Overview
Sumatra PDF is a minimalistic, high-performance document reader optimized for Windows. It supports PDF, ePub, MOBI, CHM, XPS, and DjVu formats, prioritizing speed and low resource usage over unnecessary bloat. Seamlessly integrates with Windows shell for quick file access, offers touch-friendly navigation for tablets/laptops, and adapts to high-DPI displays for crisp rendering. Features basic annotations, command-line support for automation, and a customizable interface—all while remaining open-source and ad-free, making it ideal for users who value efficiency.
Key Features
- Supports PDF, ePub, MOBI, CHM, and other popular document formats
- Extremely lightweight with minimal memory and CPU usage
- Touch-friendly navigation and high-DPI display support for Windows devices
Frequently Asked Questions
? Is Sumatra PDF compatible with Windows 11?
Yes, Sumatra PDF is fully compatible with Windows 11, including support for high-DPI displays, touch navigation, and Windows shell integration features.
? Is it safe to install?
Absolutely—Sumatra PDF is open-source with a transparent codebase, free from malware or adware. Always download from the official website to ensure safety.
? Is there a portable version?
Yes, Sumatra PDF offers a portable version that requires no installation. You can run it directly from USB drives or any storage device by downloading the portable zip file from the official site.
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Tool Info
Pros
- ⊕ Ad-free and open-source software
- ⊕ Fast loading times even for large documents
- ⊕ Portable version available for on-the-go use
- ⊕ Seamless Windows shell integration
Cons
- ⊖ Limited advanced editing or annotation features
- ⊖ No cloud storage integration options
- ⊖ Customization options are less extensive than heavyweight readers