Software Alternatives, Accelerators & Startups

Aspose.PDF VS Okular

Compare Aspose.PDF VS Okular and see what are their differences

Aspose.PDF logo Aspose.PDF

Native & Cloud REST APIs for developing desktop & cloud-based applications in your favorite language to create, edit & convert PDF files

Okular logo Okular

Okular is a universal document viewer based developed by KDE.
Not present
  • Okular Landing page
    Landing page //
    2023-05-02

Aspose.PDF features and specs

  • Comprehensive Feature Set
    Aspose.PDF offers a wide range of features for PDF manipulation, including creation, conversion, or modification of PDF documents, making it a highly versatile tool.
  • Platform Independence
    Being a cloud-based solution, Aspose.PDF can be accessed from any platform, allowing for seamless integration across different operating systems and devices.
  • High-Quality Output
    The API maintains high standards of output quality in document conversion and processing, ensuring professional results.
  • Extensive API Documentation
    Aspose provides detailed and comprehensive documentation, which makes it easier for developers to implement and utilize the features efficiently.
  • Security
    Aspose.PDF ensures document security by supporting password protection and digital signatures, enhancing the safety of sensitive information.

Possible disadvantages of Aspose.PDF

  • Cost
    Aspose.PDF can be expensive compared to some other alternatives, which might be a concern for businesses with limited budgets.
  • Learning Curve
    For new users, understanding and implementing the full range of features can be complex, which may require a steep learning curve.
  • Dependency on Internet
    Being a cloud-based service, a stable internet connection is required to use Aspose.PDF, which can be a limitation in environments with unreliable connectivity.
  • Limited Free Tier
    The free version of Aspose.PDF comes with limitations on usage, which might not be sufficient for larger or more frequent projects.
  • Performance Bottlenecks
    For larger documents or complex operations, users may experience performance bottlenecks, which could affect overall efficiency.

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.

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.

Aspose.PDF videos

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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

Category Popularity

0-100% (relative to Aspose.PDF and Okular)
PDF Tools
28 28%
72% 72
PDF Editor
27 27%
73% 73
HTML To PDF
100 100%
0% 0
PDF Readers And Editors
0 0%
100% 100

User comments

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Reviews

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

Aspose.PDF Reviews

14 Best PDF APIs for Every Business Need
PDF file compression is often needed for business, and Aspose.PDF API lets you perform this task efficiently and easily. Using this powerful and feature-rich document manipulation API, you can minimize the size of your PDF file without affecting its quality. If you choose to use it, there will not be any need to use Adobe Acrobat.
Source: geekflare.com
5 Best PDF Conversion SDK Manufactures
Aspose.Pdf is a PDF document creation component based on .net, Java development language, which can help users to read, write and manipulate PDF files. Aspose is famous for its cost-effectiveness for developers who can realize the features independently.
Source: www.compdf.com

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

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.

Aspose.PDF mentions (0)

We have not tracked any mentions of Aspose.PDF yet. Tracking of Aspose.PDF recommendations started around Dec 2023.

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

What are some alternatives?

When comparing Aspose.PDF and Okular, you can also consider the following products

IronPDF - SDK for creating and editing PDFs.

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

Docotic.Pdf - Docotic.Pdf is a high-performance C# PDF library for .NET. You can use it to create, read, and edit PDF documents in .NET Core, ASP.NET, Windows Forms, WPF, Xamarin, Blazor, Unity, and HoloLense applications.

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

Aspose.PDF for Java - Aspose.Pdf is a Java PDF component to create PDF documents without using https://alternativeto.

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