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Okular vs ZetPDF

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

Okular icon
Okular
ZetPDF icon
ZetPDF

Okular vs ZetPDF: 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.

ZetPDF: ZetPDF is an easy-to-use PDF editor that allows you to view, create, edit, convert, annotate, protect, and sign PDF documents. It has a simple, intuitive interface making it easy for anyone to work with PDFs.

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 ZetPDF
Sugggest Score — —
Category Office & Productivity Office & Productivity
Pricing Free —

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

ZetPDF
ZetPDF

Description: ZetPDF is an easy-to-use PDF editor that allows you to view, create, edit, convert, annotate, protect, and sign PDF documents. It has a simple, intuitive interface making it easy for anyone to work with PDFs.

Type: software

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
ZetPDF
ZetPDF Features
  • View, create, edit and convert PDFs
  • Annotate, highlight, underline and strikethrough text
  • Add shapes, freehand drawings and stamps
  • Protect PDFs with passwords and permissions
  • Digitally sign PDF documents
  • OCR to make scanned PDFs searchable and editable
  • Merge and split PDFs
  • Compress PDF files
  • PDF form creation and editing

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
ZetPDF
ZetPDF

Pros

  • Intuitive and easy to use interface
  • Good selection of basic PDF editing tools
  • Affordable pricing
  • Fast and responsive
  • Available on Windows, Mac, iOS and Android

Cons

  • Lacks some advanced features like Bates numbering
  • Limited customization options
  • No cloud storage integration
  • Cannot handle very large PDF files well

Pricing Comparison

Okular
Okular
  • Free
ZetPDF
ZetPDF
  • Not listed

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Learn More About Each Product

Okular
Okular
Reviews, pricing & alternatives →
ZetPDF
ZetPDF
Reviews, pricing & alternatives →

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