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Top Alternatives to Okular

Looking for Okular alternatives? We've curated 25 top alternatives that offer similar functionality. Whether you need options, free plans, or open source solutions, explore our comprehensive list to find the perfect fit for your needs.

Open Source

Okular Alternatives

Below you'll find the best alternatives to Okular. We've analyzed these options based on features, user ratings, and compatibility to help you find the right solution. Each alternative offers unique advantages that might better suit your specific needs and budget.

Foxit Reader

Foxit Reader

Free Personal Office & Productivity PDF Reader

Foxit Reader is a robust and feature-rich PDF reader and editor that provides users with a comprehensive set of tools for viewing, annotating, signing, and creating PDF documents. Known for its blend of performance and functionality, it caters to both casual users and professionals handling complex PDF workflows.

Unique Features

  • Fast startup time and smooth performance, even with large files
  • Extensive and versatile annotation and markup tools
  • Supports digital signatures and security features

Compared to Okular

Fast startup time and smooth performance, even with large files compared to Okular
Interface can feel cluttered initially due to the number of features unlike Okular
Sumatra PDF

Sumatra PDF

Open Source News & Books Document Viewer

Sumatra PDF is a free and lightweight PDF reader for Windows, renowned for its speed and minimalist interface. Beyond PDF, it supports a variety of other formats including EPUB, MOBI, CBR, CBZ, XPS, and DjVu, making it a versatile e-reader.

Unique Features

  • Extremely fast document loading and rendering.
  • Very low system resource usage (lightweight).
  • Supports a wide range of document and e-book formats.

Compared to Okular

Extremely fast document loading and rendering. compared to Okular
Lacks advanced PDF editing capabilities (form filling, complex annotations, creation). unlike Okular
calibre

calibre

Open Source News & Books Desktop Application

Calibre is a powerful and versatile open-source e-book management software that streamlines the organization, conversion, and reading of your digital book collection across various formats and devices.

Unique Features

  • Comprehensive e-book management features.
  • Excellent support for a wide range of e-book formats.
  • Powerful and customizable e-book conversion capabilities.

Compared to Okular

Comprehensive e-book management features. compared to Okular
User interface can be complex for beginners. unlike Okular
Adobe Acrobat Reader DC

Adobe Acrobat Reader DC is the venerable and widely adopted standard for interacting with PDF documents. It provides robust tools for viewing, printing, signing, and commenting on PDF files across various devices and platforms.

Unique Features

  • Industry-standard for PDF viewing and compatibility.
  • Feature-rich annotation and form-filling tools.
  • Reliable and stable performance.

Compared to Okular

Industry-standard for PDF viewing and compatibility. compared to Okular
Can be perceived as resource-intensive compared to some lightweight readers. unlike Okular
Evince

Evince

Open Source Office & Productivity Document Viewer

Evince is a lightweight and versatile document viewer designed for various formats including PDF, PostScript, DjVu, TIFF, XPS, and DVI. It provides a clean and intuitive interface for easily accessing and navigating your documents.

Unique Features

  • Supports a wide variety of document formats (PDF, PS, DjVu, TIFF, XPS, DVI).
  • Extremely lightweight and uses minimal system resources.
  • Provides fast loading and smooth navigation.

Compared to Okular

Supports a wide variety of document formats (PDF, PS, DjVu, TIFF, XPS, DVI). compared to Okular
Lacks advanced PDF editing features. unlike Okular
PDF-XChange Viewer

PDF-XChange Viewer

Freemium Office & Productivity Desktop Application

PDF-XChange Viewer is a versatile and lightweight PDF reader and editor. It offers a wide array of features for viewing, annotating, and manipulating PDF documents, including OCR capabilities and form filling, all within a user-friendly interface.

Unique Features

  • Extensive free features for viewing, annotating, and form filling.
  • Includes OCR functionality in the free version.
  • Lightweight and efficient with low system resource usage.

Compared to Okular

Extensive free features for viewing, annotating, and form filling. compared to Okular
Advanced editing features are limited in the free version and may result in watermarks. unlike Okular
FBReader

FBReader

Open Source News & Books Desktop Application

FBReader is a versatile and free ebook reader application supporting multiple formats including ePub, Kindle azw3, and fb2. It offers a customizable reading experience across different platforms with features like library management, synchronization, and text-to-speech.

Unique Features

  • Supports a wide variety of ebook formats.
  • Highly customizable reading interface.
  • Generally lightweight with low resource usage.

Compared to Okular

Supports a wide variety of ebook formats. compared to Okular
User interface can feel outdated on some platforms. unlike Okular
Firefox PDF Viewer (PDF.js)

Firefox PDF Viewer (PDF.js) is an open-source, web standards-based PDF viewer embedded directly within the Firefox browser. It allows users to view PDF documents seamlessly without the need for external software or plugins, enhancing browser-based document handling and accessibility.

Unique Features

  • Seamlessly integrated into Firefox
  • Secure and runs within the browser sandbox
  • Fast and lightweight for viewing

Compared to Okular

Seamlessly integrated into Firefox compared to Okular
Limited editing capabilities unlike Okular
Nitro Reader

Nitro Reader

Free Personal Office & Productivity Desktop Application

Nitro Reader is a free PDF reader packed with advanced features for creating, editing, and signing PDF documents. It offers a clean interface and robust functionality for everyday PDF tasks, including form filling, annotation, and text extraction.

Unique Features

  • Free and offers a wide range of features typically found in paid software.
  • Includes PDF creation via a virtual printer.
  • Robust annotation tools for marking up documents.

Compared to Okular

Free and offers a wide range of features typically found in paid software. compared to Okular
Limited advanced editing capabilities compared to paid PDF editors. unlike Okular
Preview

Preview is the native image and PDF viewer for macOS. It offers essential tools for viewing, annotating, and basic editing of these file types directly within the Apple ecosystem. Designed for efficiency and low resource use, Preview provides a seamless and integrated experience for handling common document and image formats on Mac computers.

Unique Features

  • Native and free part of macOS.
  • Fast and efficient performance with low resource usage.
  • Excellent integration with macOS features.

Compared to Okular

Native and free part of macOS. compared to Okular
Limited advanced image editing capabilities. unlike Okular
STDU Viewer

STDU Viewer

Free Personal Office & Productivity Document Viewer

STDU Viewer is a versatile, lightweight document viewer supporting a wide array of file formats including PDF, DjVu, Comics Book Archive (CBR/CBZ), XPS, TIFF, and text files. It features a tabbed interface, low memory usage, and optional portability, making it an efficient choice for managing and reading various document types.

Unique Features

  • Supports a wide variety of document and image formats.
  • Lightweight and uses minimal system resources.
  • Fast document loading and smooth performance.

Compared to Okular

Supports a wide variety of document and image formats. compared to Okular
Limited document editing and advanced annotation features. unlike Okular
Skim

Skim

Open Source Office & Productivity Desktop Application

Skim is a free and open-source PDF reader and note-taker for macOS. Tailored for scientific use, it offers advanced annotation tools, robust export options, and tight integration with LaTeX, making it an ideal companion for academic research and professional document management.

Unique Features

  • Excellent annotation tools for detailed markup.
  • Lightweight with good performance on large files.
  • Strong integration with LaTeX and BibDesk for academic users.

Compared to Okular

Excellent annotation tools for detailed markup. compared to Okular
Limited PDF editing capabilities beyond annotation. unlike Okular
MuPDF

MuPDF

Open Source Office & Productivity Document Viewer

MuPDF is a lightweight, portable document rendering engine and viewer for PDF, XPS, and EPUB formats. Known for its speed and accurate rendering, it's ideal for integrating document display into various applications or for users seeking a minimalist, high-performance viewer.

Unique Features

  • Exceptional performance and speed in rendering documents.
  • Very low memory and resource usage.
  • Highly portable and works across numerous platforms.

Compared to Okular

Exceptional performance and speed in rendering documents. compared to Okular
Standalone viewer is very minimalist and lacks advanced features like extensive annotation or form filling. unlike Okula...
WinDjView

WinDjView

Open Source Office & Productivity Document Viewer

WinDjView is a high-performance, compact, and user-friendly DjVu document viewer for the Windows operating system. Designed for speed and efficiency, it allows users to quickly open and navigate DjVu files, offering a range of features for enhanced reading experience.

Unique Features

  • Extremely fast loading and rendering of DjVu files.
  • Portable, requiring no installation.
  • Low system resource usage.

Compared to Okular

Extremely fast loading and rendering of DjVu files. compared to Okular
Strictly a viewer, no editing or creation capabilities. unlike Okular
PDF Studio

PDF Studio

Commercial Backup & Sync Desktop Software

PDF Studio is a powerful, all-in-one PDF editor for Windows, macOS, and Linux. It provides comprehensive tools for viewing, creating, editing, securing, and reviewing PDF documents, serving professionals and individuals alike with robust features for managing their digital documents efficiently.

Unique Features

  • Comprehensive feature set rivals more expensive options.
  • Available on Windows, macOS, and Linux.
  • One-time purchase option provides long-term value.

Compared to Okular

Comprehensive feature set rivals more expensive options. compared to Okular
User interface could benefit from modernization. unlike Okular
qpdfview

qpdfview

Open Source Office & Productivity Document Viewer

qpdfview is a lightweight, tabbed document viewer based on Qt. It supports PDF, DjVu, PostScript, and other document formats, offering features like annotation, form filling, and a clean, customizable interface for efficient document management.

Unique Features

  • Very fast document loading and rendering.
  • Low memory and CPU usage.
  • Clean and intuitive user interface.

Compared to Okular

Very fast document loading and rendering. compared to Okular
Limited advanced PDF editing capabilities. unlike Okular
EPUBReader

EPUBReader

Free News & Books Browser Extension

EPUBReader is a lightweight and efficient browser extension that allows users to open and read EPUB e-books directly within their web browser. It provides a simple and intuitive reading experience without requiring external software.

Unique Features

  • Reads EPUB files directly in the browser.
  • Extremely lightweight and fast.
  • Simple and intuitive interface.

Compared to Okular

Reads EPUB files directly in the browser. compared to Okular
Lacks advanced e-reading features (annotations, highlighting, etc.). unlike Okular
zathura

zathura

Open Source Office & Productivity Document Viewer

Zathura is a highly customizable and efficient document viewer based on the Poppler rendering engine. It is designed with a minimal interface and focuses on keyboard-driven navigation, making it ideal for users who prefer a streamlined workflow and powerful keybindings.

Unique Features

  • Extremely lightweight and fast.
  • Excellent keyboard navigation for efficient browsing.
  • Highly customizable through a simple configuration file.

Compared to Okular

Extremely lightweight and fast. compared to Okular
Steep learning curve for users unfamiliar with keyboard shortcuts. unlike Okular
Xodo

Xodo is a comprehensive, cross-platform PDF solution offering a wide array of tools for viewing, annotating, editing, signing, and creating PDF documents. With robust collaboration features and seamless cloud integration, it caters to both individual and professional use.

Unique Features

  • Comprehensive suite of PDF tools in a single application.
  • Excellent real-time collaboration and online sharing features.
  • Seamless integration with major cloud storage services.

Compared to Okular

Comprehensive suite of PDF tools in a single application. compared to Okular
Advanced PDF editing features might have limitations on complex documents. unlike Okular
Universal Viewer

Universal Viewer is a portable file viewer capable of displaying a wide array of file formats, including documents, images, media, and raw files, without requiring the associated native applications.

Unique Features

  • Supports a very wide range of file formats.
  • Completely portable, no installation required.
  • Lightweight and resource-efficient.

Compared to Okular

Supports a very wide range of file formats. compared to Okular
Does not offer editing capabilities. unlike Okular
ezPDF Reader

ezPDF Reader

Commercial Office & Productivity Mobile Application

ezPDF Reader is a highly-rated multimedia PDF viewer and annotator for mobile devices. It supports interactive forms, freehand drawing, text highlighting, and offers features like Text-to-Speech and document synchronization, making it a versatile tool for users who work with PDFs on the go.

Unique Features

  • Comprehensive annotation tools.
  • Excellent PDF form filling capability.
  • Supports multimedia within PDFs (audio/video).

Compared to Okular

Comprehensive annotation tools. compared to Okular
Advanced editing capabilities may be limited compared to desktop software. unlike Okular
ePDFView

ePDFView

Open Source Office & Productivity Desktop Application

ePDFView is a free, lightweight PDF viewer designed for speed and simplicity, built upon the Poppler rendering engine and GTK+ toolkit. Ideal for users prioritizing performance and minimal resource consumption on Linux systems.

Unique Features

  • Extremely lightweight and fast
  • Low memory consumption
  • Clean and simple user interface

Compared to Okular

Extremely lightweight and fast compared to Okular
Limited features beyond basic viewing unlike Okular
Document Viewer

Document Viewer

Open Source News & Books Document Viewer

Document Viewer is a highly customizable and lightweight document viewer designed for Android devices. It supports a wide range of formats including PDF, DjVu, XPS, CBZ, CBR, and ePub, offering features like highlighting, annotation, and optimal performance.

Unique Features

  • Supports a wide range of document formats.
  • High performance and fast loading times.
  • Lightweight with low memory usage.

Compared to Okular

Supports a wide range of document formats. compared to Okular
Lacks advanced editing and form-filling capabilities. unlike Okular

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