Firefox PDF Viewer (PDF.js) vs SourcePDF

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

Firefox PDF Viewer (PDF.js) is a Web Browsers solution with tags like open-source, pdf, viewer, firefox, browser-plugin.

It boasts features such as In-browser PDF viewer, No browser plugins required, Fast page rendering, Text search, Page zoom, Printing, Document outline, Annotations and pros including Lightweight, Open source, Secure, Fast load times, Works offline, Consistent experience across devices.

On the other hand, SourcePDF is a Office & Productivity product tagged with pdf, editor, viewer, annotate, convert.

Its standout features include Edit PDF text, Edit PDF images, Add annotations, Digital signatures, Fill forms, JavaScript actions, Convert PDF files, and it shines with pros like Free and open source, Available on Windows, Mac and Linux, Good editing capabilities, Lightweight.

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

Product Overview

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.

SourcePDF

Description: SourcePDF is an open-source PDF editor for Windows, Mac and Linux. It allows users to view, edit, annotate, sign, fill forms and convert PDF documents. Key features include editing text and images, adding annotations, digital signatures, JavaScript actions and more.

Key Features Comparison

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

SourcePDF Features

• Edit PDF text
• Edit PDF images
• Add annotations
• Digital signatures
• Fill forms
• JavaScript actions
• Convert PDF files

Pros & Cons Analysis

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

SourcePDF

Pros

• Free and open source
• Available on Windows, Mac and Linux
• Good editing capabilities
• Lightweight

Cons

• Limited features compared to paid options
• No mobile apps
• Lacks some advanced features like OCR

Pricing Comparison

Firefox PDF Viewer (PDF.js)

• Open Source
• Free

SourcePDF

• Open Source