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Okular vs Quillnote

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

Okular icon
Okular
Quillnote icon
Quillnote

Okular vs Quillnote: 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.

Quillnote: Quillnote is a free, open-source note taking and to-do app for Windows, Mac and Linux. It has a simple, clean interface for creating notes, checklists and writing longer documents. Quillnote syncs notes across devices and has offline access.

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 Quillnote
Sugggest Score — —
Category Office & Productivity Office & Productivity
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

Quillnote
Quillnote

Description: Quillnote is a free, open-source note taking and to-do app for Windows, Mac and Linux. It has a simple, clean interface for creating notes, checklists and writing longer documents. Quillnote syncs notes across devices and has offline access.

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
Quillnote
Quillnote Features
  • Simple, clean interface
  • Note taking
  • Checklists
  • Longer documents
  • Syncs across devices
  • Offline access

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
Quillnote
Quillnote
Pros
  • Free and open source
  • Available on Windows, Mac and Linux
  • Syncs notes across devices
  • Offline access
Cons
  • Limited formatting options
  • No mobile app
  • No collaboration features

Pricing Comparison

Okular
Okular
  • Free
Quillnote
Quillnote
  • Open Source

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Learn More About Each Product

Okular
Okular
Reviews, pricing & alternatives →
Quillnote
Quillnote
Reviews, pricing & alternatives →

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