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Nitro PDF Pro vs Okular

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

Nitro PDF Pro icon
Nitro PDF Pro
Okular icon
Okular

Nitro PDF Pro vs Okular: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Nitro PDF Pro Okular
Sugggest Score
Category Office & Productivity Office & Productivity
Pricing Free

Product Overview

Nitro PDF Pro
Nitro PDF Pro

Description: Nitro PDF Pro is a premium PDF editor that allows you to create, edit, convert, sign, and secure PDF files. It has an intuitive interface and advanced editing tools for annotating, rearranging pages, adding form fields, reviewing documents and more.

Type: software

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

Key Features Comparison

Nitro PDF Pro
Nitro PDF Pro Features
  • Create and edit PDFs
  • Convert PDFs to/from Word, Excel, PowerPoint, and other formats
  • Add or edit text, images, links, bookmarks, and annotations
  • Fill and sign PDF forms
  • Secure and encrypt PDF files
  • Combine files and rearrange pages
  • OCR to make scanned documents editable and searchable
  • Review tools like commenting, highlighting and drawing
  • Batch process multiple PDFs at once
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

Pros & Cons Analysis

Nitro PDF Pro
Nitro PDF Pro
Pros
  • Powerful PDF editing capabilities
  • Intuitive and easy-to-use interface
  • Solid OCR performance
  • Good security features
  • Integration with cloud storage services
Cons
  • Expensive subscription pricing
  • Lacks some advanced features found in other PDF editors
  • OCR can be slow with large documents
  • Limitations in free trial version
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

Pricing Comparison

Nitro PDF Pro
Nitro PDF Pro
  • Not listed
Okular
Okular
  • Free

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