Best PDF Tools vs Firefox PDF Viewer (PDF.js)
A side-by-side look at Best PDF Tools and Firefox PDF Viewer (PDF.js). For an in-depth review of either product, follow the links below.
Best PDF Tools
Office & Productivity
Best PDF Tools is a user-friendly PDF editor that allows you to easily manipulate PDF files. It includes features like merging and splitting PDFs, adding or removing pages, inserting images and text, annotating with comments and drawings, encrypting files, and converting between PDF and other formats.
pdfeditorannotateconvert
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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Google PDF Viewer