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Okular vs Readiris

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

Okular icon
Okular
Readiris icon
Readiris

Okular vs Readiris: 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.

Readiris: Readiris is optical character recognition (OCR) software that converts scanned documents and PDF files into editable formats. It can turn paper documents into searchable files like Word, Excel, PDFs and more for easy editing, sharing and archiving.

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 Readiris
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

Readiris
Readiris

Description: Readiris is optical character recognition (OCR) software that converts scanned documents and PDF files into editable formats. It can turn paper documents into searchable files like Word, Excel, PDFs and more for easy editing, sharing and archiving.

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
Readiris
Readiris Features
  • OCR technology to convert scanned documents and images into editable formats
  • Supports conversion to Word, Excel, PDF, PowerPoint, text files
  • Multi-language recognition for over 130 languages
  • Batch processing to convert multiple files
  • Integration with document management systems
  • Cloud capabilities to access files from anywhere
  • Mobile app for on-the-go scanning and conversion

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
Readiris
Readiris

Pros

  • Accurate OCR with advanced recognition algorithms
  • Saves time by eliminating need to manually retype documents
  • Makes documents searchable and editable
  • Supports many file formats and languages
  • Easy to use with intuitive interface
  • Integrates with other business systems and workflows

Cons

  • Requires scanning hardware for paper documents
  • Accuracy decreases for low quality scans
  • Limited cloud storage capacity with basic plan
  • Mobile app lacks some advanced features
  • Can be expensive compared to basic OCR software

Pricing Comparison

Okular
Okular
  • Free
Readiris
Readiris
  • Not listed

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Learn More About Each Product

Okular
Okular
Reviews, pricing & alternatives →
Readiris
Readiris
Reviews, pricing & alternatives →

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