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Okular VS Adobe Reader

Compare Okular VS Adobe Reader and see what are their differences

Okular logo Okular

Okular is a universal document viewer based developed by KDE.

Adobe Reader logo Adobe Reader

Adobe Acrobat Reader is a free tool for viewing documents that have been stored in Adobe's Portable Document Format (PDF).
  • Okular Landing page
    Landing page //
    2023-05-02
  • Adobe Reader Landing page
    Landing page //
    2023-04-17

Okular features and specs

  • Open Source
    Okular is an open-source software, which means the source code is freely available. Users can modify and distribute it according to their needs.
  • Multi-Format Support
    Okular supports a wide array of document formats including PDF, PostScript, DjVu, CHM, XPS, ePub, and more, providing versatile document reading capabilities.
  • Cross-Platform
    Okular is available for multiple operating systems including Linux, Windows, and macOS, making it accessible to a wider range of users.
  • Annotation Tools
    It includes powerful annotation features allowing users to add notes, highlight text, and draw shapes directly on documents.
  • Customizable Interface
    The interface is highly customizable, enabling users to tweak the appearance and functionality to match their preferences.
  • Tabbed Browsing
    Okular supports tabbed browsing, allowing users to open multiple documents in a single window, enhancing multitasking.

Possible disadvantages of Okular

  • Limited Advanced PDF Editing
    While Okular provides basic annotation features, it lacks advanced PDF editing capabilities like modifying text and images within a PDF.
  • Learning Curve
    New users might find the extensive range of features and settings overwhelming, leading to a steeper learning curve compared to simpler document viewers.
  • Performance Issues
    Some users have reported performance issues when handling very large files, which can result in slower operation and responsiveness.
  • Dependency on KDE Libraries
    To get the best experience, Okular requires KDE libraries, which might not be ideal for users who prefer not to integrate KDE components into their system.
  • Mobile Support
    Okular does not have a dedicated app for mobile platforms like Android and iOS, limiting its usability on tablets and smartphones.

Adobe Reader features and specs

  • Compatibility
    Adobe Reader is compatible with a wide range of operating systems, including Windows, macOS, Android, and iOS. This makes it accessible for a broad audience regardless of their device preferences.
  • Features
    It supports a variety of advanced features such as text highlighting, annotations, and form filling. These features can be useful for both personal and professional use.
  • Security
    Adobe Reader comes with built-in security measures to protect against malicious PDFs. This helps ensure that your device and data remain safe.
  • User Interface
    The user interface is generally intuitive and user-friendly, making it easy for users to navigate through documents and use its various features.
  • Frequent Updates
    Adobe frequently updates Adobe Reader with new features and security patches, which improves functionality and enhances security over time.

Possible disadvantages of Adobe Reader

  • Performance
    Some users have reported that Adobe Reader can be slow to load, especially when opening large documents. This can be a hindrance for those who need quick access to their PDFs.
  • Resource Intensive
    Adobe Reader tends to use a considerable amount of system resources, which can be problematic on older or less powerful devices.
  • Bloatware
    The application can be seen as bloated by some users, with many features that are redundant or unnecessary for basic PDF viewing.
  • Privacy Concerns
    Adobe's Data Collection Policies have raised privacy concerns. Users may be uneasy about the amount of data that Adobe collects and how it is used.
  • Advertisements
    Free versions of Adobe Reader occasionally prompt users with advertisements for other Adobe products, which can be intrusive and disrupt the user experience.

Analysis of Okular

Overall verdict

  • Yes, Okular is generally regarded as a good document viewer due to its features, flexibility, and open-source nature, which ensures continual updates and community support.

Why this product is good

  • Okular is considered good for several reasons: it is a versatile open-source document viewer developed by the KDE community, supporting various file formats including PDF, PostScript, and ePub. It offers a range of features such as annotation tools, form filling, text extraction, and multimedia support. Additionally, it is cross-platform, available on different operating systems like Linux, Windows, and macOS, making it accessible for a wider range of users.

Recommended for

    Okular is recommended for students, educators, professionals, and any users who require a reliable and feature-rich document viewer capable of handling a wide range of file formats. It is particularly beneficial for those who value open-source software and need robust annotation and document management tools across different platforms.

Analysis of Adobe Reader

Overall verdict

  • Adobe Reader is generally considered a good choice for users who need a robust and feature-rich PDF reader. It is reliable and functionally comprehensive, making it suitable for both personal and professional use. However, some users may find it resource-intensive compared to lightweight alternatives.

Why this product is good

  • Adobe Reader, also known as Adobe Acrobat Reader, is a well-established PDF reader that offers a wide range of features. As an industry standard, it provides reliable and consistent performance for viewing, printing, and annotating PDF files. It integrates seamlessly with Adobe's suite of tools, allowing for advanced PDF functionalities such as form filling, digital signature support, and PDF editing when paired with Adobe Acrobat Pro. Additionally, its widespread usage and compatibility on various platforms make it a convenient choice for many users.

Recommended for

  • Users who regularly deal with complex PDFs requiring advanced features such as annotations and digital signatures.
  • Professionals in need of a robust, industry-standard tool for managing and viewing PDF documents.
  • Individuals who already use other Adobe products and need seamless integration across Adobe's ecosystem.

Okular videos

okular, program for annotating your books in linux

More videos:

  • Review - Review: Okular || Awesome PDF Viewer || Best PDF Viewer that I have tried yet.
  • Review - Okular Document Viewer vs Atril Document Viewer

Adobe Reader videos

Adobe Reader Review

Category Popularity

0-100% (relative to Okular and Adobe Reader)
PDF Tools
53 53%
47% 47
PDF Editor
56 56%
44% 44
PDF Readers And Editors
62 62%
38% 38
eBook Reader
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Okular and Adobe Reader

Okular Reviews

10 Best PDF Expert Alternatives for Various Tasks in 2022
Verdict: Okular is an open source and can be used free, which is probably its main advantage. At the same time, its basic functionality is meant to be not only highly competitive with PDF Expert but rather overcomes it because the letter can be used only under paid subscription. This PDF Expert alternative is one of the most all-in-one PDF readers, which is compatible not...
Source: fixthephoto.com
8 Best eBook Readers for Linux
Okular is another open-source and cross-platform document viewer developed by KDE and is shipped as part of the KDE Application release.
Source: itsfoss.com

Adobe Reader Reviews

5 alternatives to Adobe Acrobat Reader
If you are looking for an alternative to Adobe Reader for Windows, first check out the Geekersoft PDF Editor, which provides free access to PDF documents and includes PDF creation, editing, conversion, OCR, and PDF signature. This Acrobat Reader alternative is cheap and considered to be the most cost-effective PDF editing tool on the market.
Top 10 Adobe Reader Alternatives for Windows
While the aforementioned programs are all excellent choices as Adobe Reader alternatives, they are not the only choices you have. If you’re running Windows 8 or 8.1, you also get a native PDF viewer that’s simply named ‘Reader’. Most Office suites, like MS Office and Libre Office, also allow users to read, create, annotate and edit PDF files, so if you have either installed...
Source: beebom.com
8 Best PDF Readers Available For Windows PC
Foxit Reader is another free PDF reader for Windows. Foxit Reader was once the first alternative to the Adobe Acrobat reader and it’s still one of the best PDF readers available, it offers the most features with no strings attached. From tabbed browsing to a range of advanced options, the Foxit PDF reader is yet another PDF reader to try on your Windows PC.

Social recommendations and mentions

Based on our record, Okular seems to be more popular. It has been mentiond 44 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Okular mentions (44)

  • Signing PDFs
    If you mean signing as in "signing with your handwritten signature", you could use Okular () which easily allows you to do that. Filling out forms also works nicely. Source: over 1 year ago
  • Alexandria: A minimalistic cross-platform eBook reader
    I was in a similar position lately until I found Okular. Have you tried it? https://okular.kde.org/. - Source: Hacker News / almost 2 years ago
  • Help with PDF's
    I would try Okular first, though, which is free and open source: https://okular.kde.org/. Source: almost 2 years ago
  • EPUB 3.3 becomes a W3C recommendation
    KDE's okular might be a good choice. I haven't personally used it for epub but I know it supports it. https://okular.kde.org/. - Source: Hacker News / about 2 years ago
  • Are there any good PDF viewers for large (10Mb+) datasheets that can save search results in the actual PDF, and take notes on the PDF?
    I use okular, don't think it has web export though. Source: about 2 years ago
View more

Adobe Reader mentions (0)

We have not tracked any mentions of Adobe Reader yet. Tracking of Adobe Reader recommendations started around Mar 2021.

What are some alternatives?

When comparing Okular and Adobe Reader, you can also consider the following products

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

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

Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.

Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.

MuPDF - MuPDF is a lightweight PDF and XPS viewer.

PDF-XChange Editor - The smallest, fastest, most feature-rich PDF editor/viewer available