SumatraPDF
SumatraPDF is a fast, multi-format document reader for Windows supporting PDF, EPUB, MOBI, CBZ, CBR, FB2, CHM, XPS, DjVu.
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A lightweight, open-source, multi-format document reader for Windows—fast, portable, and ad-free.
Core Features
- Supports PDF, EPUB, MOBI, CBZ/CBR, FB2, CHM, XPS, DjVu and more
- Blazing fast startup and small footprint (approx. 6 MB)
- Portable version available, no installation required
- Clean, ad-free interface with no telemetry
- Customizable keyboard shortcuts and color schemes
What It Can't Do
- •Windows only; no native macOS or Linux support,Does not support PDF editing, annotation, or form filling,Complex PDFs with advanced effects may render differently compared to Adobe Acrobat
Use Cases
- Reading PDFs, ebooks, and technical manuals
- Viewing comic book files (CBZ/CBR)
- Opening CHM help files and XPS documents
Detailed Introduction
SumatraPDF is an open-source, ultra-lightweight document reader for Windows. It launches instantly and handles a wide range of formats including PDF, EPUB, MOBI, comic books (CBZ/CBR), FB2, CHM, XPS, and DjVu. Unlike bulky readers like Adobe Acrobat, SumatraPDF focuses on speed and simplicity—no bloat, no ads, no telemetry. It offers a portable version that runs from a USB stick, customizable settings, and a clean interface. Licensed under (A)GPLv3 with some BSD code, it's a favorite among power users who need a reliable, no-nonsense reader for everyday documents.
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Getting Started
Download installer
Click the button above to download the installer for your system
Install the software
Double-click the downloaded installer and follow the prompts
Step 1: Download the installer or portable ZIP from the official website
Step 2: Run the installer and follow the setup wizard, or extract the ZIP to any folder
Step 3: Launch SumatraPDF.exe and open your document by drag-and-drop or File menu
- Step 1: Download the installer or portable ZIP from the official website
- Step 2: Run the installer and follow the setup wizard, or extract the ZIP to any folder
- Step 3: Launch SumatraPDF.exe and open your document by drag-and-drop or File menu
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Open Source Transparency
View GitHub SourceUninstall Info
Use Windows 'Add or Remove Programs' to uninstall, or run uninstall.exe from the installation folder. For the portable version, simply delete the folder.
No Extra Dependencies
Ready to use after download. No additional runtime required.
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