Firefox PDF Viewer (PDF.js) vs MuPDF : 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

Apps available for Mac OS X Windows Linux Google Chrome Opera

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MuPDF icon

MuPDF

MuPDF is a free and open-source software framework written in C that implements a PDF, XPS, and EPUB parsing and rendering engine. It is used primarily to render pages into bitmaps, but also provides support for other operations such as searching and listing the table of contents and hyperlinks. Developed by Artifex Software, Inc.

License: Open Source

Categories: Office & Productivity

Apps available for Windows Linux Android iPhone iPad

Firefox PDF Viewer (PDF.js) VS MuPDF

Firefox PDF Viewer (PDF.js) is designed for integration into web browsers and emphasizes accessibility and ease of use, while MuPDF is a more performance-oriented solution with a focus on rendering quality. Both are open-source and free, but they cater to different needs and use cases.

Firefox PDF Viewer (PDF.js)

Pros:

  • Open-source and free to use
  • Cross-platform support
  • Lightweight and fast rendering
  • Supports various PDF features like annotations and forms
  • Active community support and regular updates

Cons:

  • Limited advanced editing features
  • Performance can vary based on system resources
  • Not as feature-rich as some commercial alternatives

MuPDF

Pros:

  • Open-source and free to use
  • Highly efficient rendering engine
  • Supports various file formats including PDF, XPS, and CBZ
  • Customizable and extendable through APIs
  • Focus on high-quality rendering and low memory usage

Cons:

  • User interface may not be as user-friendly
  • Limited support for certain PDF features compared to others
  • Less community support compared to larger projects

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