Okular is a universal document viewer developed by KDE. It supports multiple document formats and provides features like annotations, highlighting, and digital...
Best SumatraPDF Alternatives ranked by AI · updated Aug 2026
SumatraPDF is a lightweight, free Windows reader for PDF, EPUB, MOBI, CBZ, CBR, and related formats. It suits users who prioritize fast startup and a minimal interface over library management.
Top 6 SumatraPDF alternatives
PDF-XChange Editor is a robust PDF editor with a wide range of features for viewing, editing, and annotating PDF documents.
Starting from $43.50
MuPDF is a lightweight PDF and XPS viewer and toolkit written in portable C. It is known for its speed and small...
PDF Studio Viewer is a free desktop PDF reader for Windows, macOS, and Linux users. It supports viewing, printing, form filling, annotations,...
Pros
- Runs on Windows, macOS, and Linux from one Java-based application
- Supports annotations, form filling, and digital signatures beyond basic viewing
- Offers a consistent interface across desktop platforms
Cons
- Less widely integrated with browsers and cloud services than Adobe Acrobat Reader
- Heavier startup and memory use than lightweight readers such as SumatraPDF
- Advanced PDF editing requires Qoppa's paid PDF Studio product
Haihaisoft PDF Reader is a free Windows application for opening and reading PDF documents. It supports common PDF viewing functions and DRM-protected...
Pros
- Supports PDF documents with digital rights management
- Free to use without a subscription
- Includes basic document viewing and printing tools
Cons
- Windows-focused with limited platform support
- Less polished and feature-rich than Adobe Acrobat Reader or Foxit PDF Reader
- Does not provide a comparable modern PDF editing workflow
PDF Viewer is a cross-platform app for reading, annotating, filling, signing, and organizing PDF documents. It is aimed at individuals and professionals...
Pros
- More focused on PDF reading and annotation than general office suites
- Supports document signing, form filling, and markup tools
- Available across desktop and mobile platforms
Cons
- Advanced features require a paid plan
- Less capable for full PDF authoring than Adobe Acrobat
- Fewer desktop editing tools than PDF-XChange Editor
Freemium, Pro pricing varies by platform
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