MuPDF vs Firefox PDF Viewer (PDF.js)

Struggling to choose between MuPDF and Firefox PDF Viewer (PDF.js)? Both products offer unique advantages, making it a tough decision.

MuPDF is a Office & Productivity solution with tags like pdf, viewer, opensource, crossplatform, lightweight.

It boasts features such as Fast and lightweight PDF viewer, Smooth page rendering and scrolling, Support for annotating, form-filling, and signing PDFs, Support for reflowing text to fit screen sizes, Support for PDF links, bookmarks, outlines, and metadata, Support for searching and indexing PDF text, Support for PDF digital signatures, PDF file encryption and decryption, PDF rendering to images, HTML, and SVG, PDF creation and manipulation via toolkit API and pros including Very fast and responsive, Low memory usage, Good support for PDF standards, Actively developed and maintained, Cross-platform - works on many operating systems, Open source with liberal licensing, Can be embedded into other applications.

On the other hand, Firefox PDF Viewer (PDF.js) is a Web Browsers product tagged with open-source, pdf, viewer, firefox, browser-plugin.

Its standout features include In-browser PDF viewer, No browser plugins required, Fast page rendering, Text search, Page zoom, Printing, Document outline, Annotations, and it shines with pros like Lightweight, Open source, Secure, Fast load times, Works offline, Consistent experience across devices.

Feature	MuPDF	Firefox PDF Viewer (PDF.js)
Overall Score	N/A	N/A
Primary Category	Office & Productivity	Web Browsers

Product Overview

MuPDF

Description: MuPDF is a free, open source PDF viewer and toolkit. It is lightweight, fast, and cross-platform, supporting Windows, macOS, Linux, Android, and iOS. MuPDF allows you to view PDFs quickly and smoothly while using minimal system resources.

Firefox PDF Viewer (PDF.js)

Description: Firefox PDF Viewer (PDF.js) is an open source PDF viewer that is built into Firefox. It allows you to view PDFs directly in the browser without needing an external plugin.

Key Features Comparison

MuPDF Features

• Fast and lightweight PDF viewer
• Smooth page rendering and scrolling
• Support for annotating, form-filling, and signing PDFs
• Support for reflowing text to fit screen sizes
• Support for PDF links, bookmarks, outlines, and metadata
• Support for searching and indexing PDF text
• Support for PDF digital signatures
• PDF file encryption and decryption
• PDF rendering to images, HTML, and SVG
• PDF creation and manipulation via toolkit API

Firefox PDF Viewer (PDF.js) Features

• In-browser PDF viewer
• No browser plugins required
• Fast page rendering
• Text search
• Page zoom
• Printing
• Document outline
• Annotations

Pros & Cons Analysis

MuPDF

Pros

• Very fast and responsive
• Low memory usage
• Good support for PDF standards
• Actively developed and maintained
• Cross-platform - works on many operating systems
• Open source with liberal licensing
• Can be embedded into other applications

Cons

• Basic user interface
• Limited built-in annotation tools
• Lacks some advanced PDF features like form JavaScript
• Not many configuration options
• PDF creation/editing features require programming

Firefox PDF Viewer (PDF.js)

Pros

• Lightweight
• Open source
• Secure
• Fast load times
• Works offline
• Consistent experience across devices

Cons

• Limited annotation features
• Lacks some advanced PDF features like form filling
• Printing can be unreliable
• Not as full-featured as standalone PDF apps

Pricing Comparison

MuPDF

• Open Source
• Free

Firefox PDF Viewer (PDF.js)

• Open Source
• Free