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Forgotten Books vs Okular

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

Forgotten Books icon
Forgotten Books
Okular icon
Okular

Forgotten Books vs Okular: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Forgotten Books Okular
Sugggest Score
Category News & Books Office & Productivity
Pricing Free Free

Product Overview

Forgotten Books
Forgotten Books

Description: Forgotten Books is an online library offering over 2 million books for free in PDF, EPUB and Kindle formats. Its collection includes public domain books and user-contributed books across a wide range of genres.

Type: software

Pricing: Free

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

Forgotten Books
Forgotten Books Features
  • Access to over 2 million free books in PDF, EPUB and Kindle formats
  • Includes public domain books and user-contributed content
  • Wide range of genres and topics
  • Books can be read online or downloaded
  • Searchable library catalog
  • Highlighting and bookmarking capabilities
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

Forgotten Books
Forgotten Books
Pros
  • Huge selection of free books
  • Variety of formats supported
  • Easy to use interface
  • Ability to download books for offline reading
  • Community contributions expand available content
Cons
  • Limited organization and discovery features
  • Minimal reading experience compared to dedicated ereaders
  • User-contributed books vary in quality
  • Some books only available in certain formats
  • Advertising on the site
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

Forgotten Books
Forgotten Books
  • Free
Okular
Okular
  • Free

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