Best MJ PDF Reader Alternatives & Competitors in 2025

Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.

Key Sumatra PDF features:

Lightweight Speed Simplicity Portable Version

MuPDF is a lightweight PDF and XPS viewer.

Key MuPDF features:

Lightweight Fast Performance High-Quality Rendering Support for Multiple Formats

Open Source

As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more.

Key DocRaptor features:

Ease of Use Customizable High-Quality Rendering Compliance

Try for free paid Free Trial $15.0 / Monthly (125+ Documents)

Okular is a universal document viewer based developed by KDE.

Key Okular features:

Open Source Multi-Format Support Cross-Platform Annotation Tools

PDF Viewer (aka pdf.js) is a new revolutionary extension using web standard technologies that...

Key Firefox PDF Viewer (PDF.js) features:

Open Source Cross-Platform Compatibility Integration Ease Actively Maintained

Open Source

Evince is a document viewer for multiple document formats: PDF, Postscript, djvu, tiff, dvi, XPS...

Key Evince features:

Open Source Lightweight Multi-format Support User-Friendly Interface

Adobe Acrobat Reader is a free tool for viewing documents that have been stored in Adobe's Portable Document Format (PDF).

Key Adobe Reader features:

Compatibility Features Security User Interface

Document Viewer is a highly customizable document viewer for Android. - SufficientlySecure/document-viewer.

Key Document Viewer features:

Open-Source Privacy-Focused Multi-Format Support Offline Functionality

Librera Reader for Android.

Key Librera Reader features:

Comprehensive File Support Customization Options Free Version Available Offline Reading

Open Source

The simplest PDF viewer. Safe (doesn't require permissions), lightweight (just 6,9MB) and modern.

Open Source

FBReader is an e-book reader for various platforms. Features:.

Key FBReader features:

Platform Support Format Compatibility Customization Library Management

Try easy-to-use PDF tools that keep your documents safe. Work with your important files across all platforms and devices with the ultimate all-in-one document solution. Your productivity lives at Xodo!

Key Xodo features:

PDF Editor Merge PDF Edit PDF Text PDF to Word

paid Free Trial $12.99 / Monthly (Xodo Pro subscription, 1 user, all platforms included)

PSPDFKit is the best framework for working with PDF files. Our SDK provides first-rate PDF solutions for your application with features like annotating, signing, and form filling. We power successful projects for businesses across the globe.

Key PSPDFKit features:

Comprehensive PDF Toolkit Cross-Platform Support Ease of Integration High Performance

Create PDF and convert documents to PDF for free with the free PDF24 PDF Creator.

Key PDF24 PDF Creator features:

Free to use User-friendly interface Wide range of features No installation required