PDF Reader Online vs Firefox PDF Viewer (PDF.js)

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

PDF Reader Online is a Office & Productivity solution with tags like pdf, reader, viewer, online, webbased, free, view, print, annotate, no-download-required.

It boasts features such as View PDFs in browser, Print PDFs, Download PDFs, Annotate/comment on PDFs, Fill out PDF forms, Search text in PDFs and pros including Free to use, No software installation required, Works on any device/OS with a browser, Syncs annotations across devices, Clean and simple interface.

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.

To help you make an informed decision, we've compiled a comprehensive comparison of these two products, delving into their features, pros, cons, pricing, and more. Get ready to explore the nuances that set them apart and determine which one is the perfect fit for your requirements.

PDF Reader Online

PDF Reader Online

PDF Reader Online is a free web-based PDF reader that allows you to view, print, and annotate PDFs directly in your web browser without needing to download any software. It offers basic PDF viewing and annotation features.

Categories:
pdf reader viewer online webbased free view print annotate no-download-required

PDF Reader Online Features

  1. View PDFs in browser
  2. Print PDFs
  3. Download PDFs
  4. Annotate/comment on PDFs
  5. Fill out PDF forms
  6. Search text in PDFs

Pricing

  • Free

Pros

Free to use

No software installation required

Works on any device/OS with a browser

Syncs annotations across devices

Clean and simple interface

Cons

Limited annotation tools

Lacks advanced PDF editing features

Requires internet connection

May have privacy/data concerns as files go through 3rd party servers


Firefox PDF Viewer (PDF.js)

Firefox PDF Viewer (PDF.js)

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.

Categories:
open-source pdf viewer firefox browser-plugin

Firefox PDF Viewer (PDF.js) Features

  1. In-browser PDF viewer
  2. No browser plugins required
  3. Fast page rendering
  4. Text search
  5. Page zoom
  6. Printing
  7. Document outline
  8. Annotations

Pricing

  • Open Source
  • Free

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