Firefox PDF Viewer (PDF.js) vs PSPDFKit

Struggling to choose between Firefox PDF Viewer (PDF.js) and PSPDFKit? 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, PSPDFKit is a Office & Productivity product tagged with pdf, viewer, annotation, editing, collaboration.

Its standout features include View, edit and annotate PDFs, Fill out and save PDF forms, Add text, shapes, freehand drawing, Highlight, underline, strikeout text, Collaborate in real-time, Works across platforms and devices, and it shines with pros like Powerful annotation tools, Smooth cross-device experience, Good form filling capabilities, Real-time collaboration, Developer-friendly APIs.

Feature	Firefox PDF Viewer (PDF.js)	PSPDFKit
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.

PSPDFKit

Description: PSPDFKit is a PDF viewing and annotation software that allows users to view, annotate, fill forms, and collaborate on PDF documents. It has robust annotation and markup tools and works across devices.

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

PSPDFKit Features

• View, edit and annotate PDFs
• Fill out and save PDF forms
• Add text, shapes, freehand drawing
• Highlight, underline, strikeout text
• Collaborate in real-time
• Works across platforms and devices

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

PSPDFKit

Pros

• Powerful annotation tools
• Smooth cross-device experience
• Good form filling capabilities
• Real-time collaboration
• Developer-friendly APIs

Cons

• Expensive
• Limited free tier
• No OCR or document conversion

Pricing Comparison

Firefox PDF Viewer (PDF.js)

• Open Source
• Free

PSPDFKit

• Subscription-Based
• Custom Pricing