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

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

Categories: Office & Productivity Web Browsers

Apps available for Mac OS X Windows Linux Google Chrome Opera

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Universal Viewer icon

Universal Viewer

Universal Viewer is an advanced file viewer for wide range of formats. Developed by UVViewSoft

License: Freemium

Categories: Office & Productivity Photos & Graphics Video & Movies

Apps available for Windows

Firefox PDF Viewer (PDF.js) VS Universal Viewer

Firefox PDF Viewer (PDF.js) is a browser-integrated tool focused on fast and efficient PDF rendering directly within the Firefox browser, while Universal Viewer is more versatile, supporting multiple file formats and offering a user-friendly interface suitable for various document types but may lag with large files.

Firefox PDF Viewer (PDF.js)

Pros:

  • Open-source and free to use
  • Integrates seamlessly with Firefox
  • Supports a wide range of PDF features
  • Fast and efficient rendering
  • Customizable with various add-ons

Cons:

  • Limited to Firefox browser
  • Less feature-rich compared to dedicated PDF editors
  • May not support advanced PDF functionalities like form filling

Universal Viewer

Pros:

  • Supports multiple file formats (PDF, images, etc.)
  • User-friendly interface
  • Highly customizable with plugins
  • Responsive design for various devices
  • Good for educational and presentation purposes

Cons:

  • Performance can lag with very large files
  • Limited editing capabilities for PDFs
  • Dependency on plugins for extended features

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