Cool Reader vs Okular

Cool Reader

Description: Cool Reader is an open-source eBook reader available for Windows, Linux, Android and other platforms. It supports a variety of eBook formats including EPUB, FB2, DOC and more. Key features include customizable themes/skins, text-to-speech, bookmarks and annotations.

Type: software

Pricing: Open Source

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

Cool Reader Features

• Supports wide variety of eBook formats including EPUB, FB2, DOC, TXT, RTF, HTML, CHM, PDB, PDF
• Customizable themes/skins
• Adjustable text size, fonts, colors, margins
• Text-to-speech with multiple voices
• Bookmarks and annotations
• Dictionary lookup
• Supports reading in over 40 languages
• Can open books from cloud storage services like Dropbox
• Available on Windows, Linux, Android, and other platforms

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

Cool Reader

• Open Source

Okular

• Free