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Okular vs Process Hacker

Professional comparison and analysis to help you choose the right software solution for your needs.

Okular icon
Okular
Process Hacker icon
Process Hacker

Okular vs Process Hacker: The Verdict

⚡ Summary:

Okular: Okular is a versatile document viewer software for KDE. It supports viewing PDFs, EPUBs, ODT, and other document formats. Okular allows annotating, highlighting, commenting on documents as well as filling forms.

Process Hacker: Process Hacker is a free, open-source process manager for Windows. It allows users to inspect, control, and monitor system resources and debug software issues. Key features include detailed process information, real-time monitoring of resource usage, and the ability to suspend, resume or terminate processes.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Okular Process Hacker
Sugggest Score — —
Category Office & Productivity Os & Utilities
Pricing Free Open Source

Product Overview

Okular
Okular

Description: Okular is a versatile document viewer software for KDE. It supports viewing PDFs, EPUBs, ODT, and other document formats. Okular allows annotating, highlighting, commenting on documents as well as filling forms.

Type: software

Pricing: Free

Process Hacker
Process Hacker

Description: Process Hacker is a free, open-source process manager for Windows. It allows users to inspect, control, and monitor system resources and debug software issues. Key features include detailed process information, real-time monitoring of resource usage, and the ability to suspend, resume or terminate processes.

Type: software

Pricing: Open Source

Key Features Comparison

Okular
Okular Features
  • Supports viewing PDF, PostScript, DjVu, CHM, XPS, ePub and other formats
  • Allows annotating, highlighting and adding comments to PDFs
  • Has different view modes like single page, facing, overview grid
  • Supports tabs for opening multiple documents
  • Has presentation mode for slideshows
  • Can fill interactive PDF forms
  • Allows saving filled forms as PDF or text
  • Has search functionality to find text in documents
  • Can encrypt PDF files
  • Has document information and metadata viewer
  • Supports table of contents navigation
  • Has different reflow modes for reading ePubs
  • Can print documents to system printer
Process Hacker
Process Hacker Features
  • Detailed process information
  • Real-time monitoring of resource usage
  • Ability to suspend, resume or terminate processes
  • Plugin architecture to extend functionality
  • Lightweight and portable

Pros & Cons Analysis

Okular
Okular

Pros

  • Free and open source
  • Clean and intuitive interface
  • Good performance with large PDFs
  • Lots of annotation and markup tools
  • Supports many document formats
  • Available on Linux, Windows, macOS

Cons

  • Limited format support compared to some alternatives
  • Annotation features may be limited for some users
  • No cloud storage integration
  • Less features than paid alternatives
Process Hacker
Process Hacker

Pros

  • Free and open source
  • User friendly interface
  • Powerful process management capabilities
  • Lightweight on system resources
  • Highly customizable via plugins

Cons

  • Lacks some advanced features of paid alternatives
  • Plugin quality can vary
  • Can take time to learn all features

Pricing Comparison

Okular
Okular
  • Free
Process Hacker
Process Hacker
  • Open Source

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Learn More About Each Product

Okular
Okular
Reviews, pricing & alternatives →
Process Hacker
Process Hacker
Reviews, pricing & alternatives →

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