Okular vs Firefox PDF Viewer (PDF.js) : Which is Better?

Okular icon

Okular

Okular is a universal document viewer based developed by KDE. Developed by The Okular Team

License: Open Source

Apps available for Linux BSD KDE

VS
VS
Firefox PDF Viewer (PDF.js) icon

Firefox PDF Viewer (PDF.js)

PDF.js. A general-purpose, web standards-based platform for parsing and rendering PDFs. Developed by Mozilla Labs

License: Open Source

Apps available for Mac OS X Windows Linux Google Chrome Opera

Okular VS Firefox PDF Viewer (PDF.js) Feature comparision

Feature Okular Firefox PDF Viewer (PDF.js)
Tabbed interface
Chapter cursor
Document reader
Lightweight
Low memory usage
PDF annotation
Fill PDF Forms
Export to PDF
Text Highlighting
Text to Speech
Trim margins
Highlighter
Optimal performance
Batch conversion
Built-in e-Book converter
Built-in viewer
Customizable
Edit PDF
Handwriting recognition
Multiple languages
Scan documents
File transfer
Freehand Writing
Document annotations
Sync between devices
iPhone/iPod sync
Night mode/Dark Theme
PDF OCR
Clean design
Customer support
Cross-platform
Portable
Vim key mapping
Add/remove pages
Browser integration
Browser extension
Google Chrome extension
Firefox extension
Google Chrome Extensions
Firefox Extensions
Support for Javascript
Opera extension
Built-in Image converter
Image resizing
Google Drive integration
Ad-free
*community curated information: This table may not have the most accurate information. Please suggest changes

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