Software Alternatives, Accelerators & Startups

PyCharm VS Okular

Compare PyCharm VS Okular and see what are their differences

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PyCharm logo PyCharm

Python & Django IDE with intelligent code completion, on-the-fly error checking, quick-fixes, and much more...

Okular logo Okular

Okular is a universal document viewer based developed by KDE.
  • PyCharm Landing page
    Landing page //
    2023-07-20
  • Okular Landing page
    Landing page //
    2023-05-02

PyCharm features and specs

  • Comprehensive IDE
    PyCharm is a full-featured Integrated Development Environment (IDE) that comes with built-in tools for debugging, testing, profiling, and version control, which can significantly enhance productivity.
  • Smart Code Navigation
    PyCharm provides intelligent code navigation features such as code completion, code snippets, and quick jumps to definitions, enabling developers to write code more efficiently.
  • Integrated Tools
    PyCharm integrates with many external tools like Docker, SSH, and terminal, making it easy to manage environments and dependencies directly within the IDE.
  • Built-in Developer Assistance
    PyCharm offers robust developer assistance features such as real-time code analysis, refactoring tools, and coding suggestions, which help maintain code quality.
  • Extensive Plugin Ecosystem
    PyCharm supports a wide range of plugins that can extend its functionality, allowing for customization according to specific development needs or preferences.
  • Cross-Platform Compatibility
    PyCharm is available on multiple platforms including Windows, macOS, and Linux, which ensures that teams working in different environments can use the same toolkit.

Possible disadvantages of PyCharm

  • Resource Intensive
    PyCharm can be quite heavy on system resources, consuming significant memory and CPU, which can slow down the system, especially on machines with lower specifications.
  • High Cost
    PyCharm's Professional Edition is a paid product, which might not be feasible for individual developers or small teams with limited budgets, although a free Community Edition is available.
  • Steep Learning Curve
    Due to its extensive feature set, PyCharm can be overwhelming for beginners, and it may take some time for new users to become proficient with all its functionalities.
  • Occasional Performance Issues
    Some users report occasional performance lags and stability issues, especially when working on large projects or while using certain plugins.
  • Frequent Updates
    While updates are generally a positive feature, PyCharm's frequent updates can sometimes disrupt workflow and necessitate reconfiguring settings or updates to plugins.

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 PyCharm

Overall verdict

  • PyCharm is generally considered a top-tier IDE for professional Python development. It provides advanced features that enhance productivity and facilitate complex project management. However, it may be resource-intensive, and some of its advanced features are available only in the paid versions.

Why this product is good

  • PyCharm is developed by JetBrains, a company known for its comprehensive and robust IDEs. It offers a wide range of features such as intelligent code assistance, smart code navigation, and support for popular Python frameworks, which make it an excellent tool for Python development. Additionally, it integrates Version Control Systems (VCS) and various other tools which streamline the workflow.

Recommended for

  • Professional Python developers looking for a powerful IDE with robust features.
  • Developers who need integrated debugging and testing tools.
  • Teams working on complex projects that require tight integration with VCS and other development tools.
  • Educational purposes due to its support for learning and teaching Python.

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.

PyCharm videos

Why Pycharm is the Best Python Editor/IDE!!!

More videos:

  • Review - Best Plugins for PyCharm
  • Tutorial - Pycharm Tutorial #1 - Setup & Basics

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 PyCharm and Okular)
Text Editors
100 100%
0% 0
PDF Tools
0 0%
100% 100
IDE
100 100%
0% 0
PDF Editor
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 PyCharm and Okular

PyCharm Reviews

11 Best AI Coding Assistants: Top Tools Every Developer Needs in 2025ย 
This assistant lives inside PyCharm and supports developers writing, explaining, and refactoring Python code using natural language. Itโ€™s built for data-heavy Python projects where clarity, automation, and tight IDE control are criticalโ€”especially in ML and analytics workflows.
Source: blog.devart.com
Top 10 Visual Studio Alternatives
PyCharm is a dedicated Python Integrated Development Environment (IDE). It is well-known for offering various vital tools for Python developers. It is securely combined to make a suitable atmosphere for a good level and high productivity Python, website, and data science development process. Moreover, if you are a beginner, the PyCharm can be the one for you.
Top 4 Python and Data Science IDEs for 2021 and Beyond
PyCharm gives you a more professional experience. It isnโ€™t easy to describe, but youโ€™ll understand what Iโ€™m talking about after a couple of minutes of usage. The coding assistance is superb, the debugger works like a charm, and the environment management is as easy as it gets.
The Rise of Microsoft Visual Studio Code
The percentages on this graph are per editor. So we can see, for example, that 97% of engineers using PyCharm program in Python (which makes sense โ€” it's in the name). Eclipse is dominated by Java (94%) and Visual Studio is mostly C# and C++ (88%). I can't really say which way the causality goes, but it seems that both the languages (Java, C#) and the IDEs (Eclipse, Visual...
Source: triplebyte.com
Top 5 Python IDEs For Data Science
Features Just like other IDEs, PyCharm has interesting features such as a code editor, errors highlighting, a powerful debugger with a graphical interface, besides of Git integration, SVN, and Mercurial. You can also customize your IDE, choosing between different themes, color schemes, and key-binding. Additionally, you can expand PyCharmโ€™s features by adding plugins; You...

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.

PyCharm mentions (0)

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

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 2 years 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 3 years ago
  • Help with PDF's
    I would try Okular first, though, which is free and open source: https://okular.kde.org/. Source: about 3 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 3 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 3 years ago
View more

What are some alternatives?

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

Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.

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

IntelliJ IDEA - Capable and Ergonomic IDE for JVM

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

Xcode - Xcode is Appleโ€™s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.

calibre - Ebook manager, viewer & converter