Firefox PDF Viewer (PDF.js) vs Lightweight PDF

A side-by-side look at Firefox PDF Viewer (PDF.js) and Lightweight PDF. For an in-depth review of either product, follow the links below.

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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Lightweight PDF

Office & Productivity

Lightweight PDF is a free, open source PDF viewer for Windows. It is a fast, small, and feature-rich PDF reader. It allows viewing, printing, and searching PDF documents.

pdfviewerreaderlightweight

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