Adobe Acrobat Reader vs Firefox PDF Viewer (PDF.js)
A side-by-side look at Adobe Acrobat Reader and Firefox PDF Viewer (PDF.js). For an in-depth review of either product, follow the links below.
Adobe Acrobat Reader
Office & Productivity
Adobe Acrobat Reader is a free software application for viewing, printing, signing, and annotating PDF documents. It is the standard PDF viewer and one of the most popular free software downloads with over 2 billion installations.
pdfreaderviewerdocumentsfree
Firefox PDF Viewer (PDF.js)
Web Browsers
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.
open-sourcepdfviewerfirefoxbrowser-plugin
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