Best Firefox PDF Viewer (PDF.js) Alternatives (64)

Google PDF Viewer

Freemium

Google PDF Viewer is a free web-based PDF viewer that allows users to view PDF files directly in their web …

Sioyek

Open Source

Sioyek is an open-source PDF viewer designed for reading scientific papers and academic journals. It provides advanced PDF features like …

Kami

Freemium

Kami is a free PDF and document annotation tool for teachers and students. It allows adding text notes, highlights, drawings …

Xpdf

Open Source

Xpdf is an open source PDF reader for Linux, Unix, Mac, and Windows systems. It supports viewing, printing, and searching …

Qoppa PDF Studio

Subscription

Qoppa PDF Studio is a PDF editing and creation software for Windows. It allows editing PDFs, converting documents to PDF, …

RepliGo Reader

RepliGo Reader is a free eBook reader that supports various formats like EPUB, MOBI, PDF, etc. It provides features like …

Okular

Free

Okular is a versatile document viewer software for KDE. It supports viewing PDFs, EPUBs, ODT, and other document formats. Okular …

MuPDF

Open Source

MuPDF is a free, open source PDF viewer and toolkit. It is lightweight, fast, and cross-platform, supporting Windows, macOS, Linux, …

Chrome PDF Viewer Plug-in

The Chrome PDF Viewer Plug-in is an add-on for the Chrome web browser that allows users to view PDF files …

Google Docs Viewer

Google Docs Viewer is a free online document viewer that allows you to view documents, spreadsheets, presentations and PDF files …

Kdan PDF SDK

Kdan PDF SDK is a PDF software development kit that allows developers to integrate PDF capabilities into their applications. It …

PDF Viewer Pro by PSPDFKit

Subscription

PDF Viewer Pro by PSPDFKit is a premium PDF viewer and editor for Windows. It provides advanced annotation and markup …

Document Viewer

Open Source

A document viewer is software that allows you to open, view, and print documents in various file formats like PDFs, …

PDF Previewer for Windows 8

PDF Previewer for Windows 8 is a free PDF viewer designed specifically for the Windows 8 operating system. It allows …

PrizmDoc Viewer

PrizmDoc Viewer is a free document viewer that supports over 100 file formats including PDF, Microsoft Office docs, images, CAD …

qpdfview

qpdfview is a tabbed document viewer for PDF and other file formats like PostScript, DejaVu, XPS, DjVu and others. It …

BePDF

Free

BePDF is an open-source PDF viewer, editor, and converter for Linux and other Unix-like operating systems. It supports viewing, editing, …

Atril

Open Source

Atril is a document viewer application for Linux designed to view PDF and other file formats. It features a simple, …

pdfDocs

pdfDocs is a PDF reader, editor, and annotation tool for Windows. It allows you to view, edit, sign, and collaborate …

Xodo

Xodo is a free PDF reader and annotator for Windows, Linux, Android, iOS and web browsers. It allows you to …

Ashampoo PDF Free

Ashampoo PDF Free is a free PDF reader and editor for Windows. It allows you to view, edit, convert, encrypt, …

Gaaiho PDF Reader

Open Source

Gaaiho PDF Reader is a free, open-source PDF viewer for Windows. It provides a simple, no-frills interface for viewing, printing, …

SourcePDF

Open Source

SourcePDF is an open-source PDF editor for Windows, Mac and Linux. It allows users to view, edit, annotate, sign, fill …

RAD PDF

RAD PDF is a PDF editing and creation software that allows users to view, annotate, edit, create, convert, print, share, …

Lumin PDF

Lumin PDF is a PDF editor that allows you to view, annotate, organize, edit, sign, and collaborate on PDF documents. …

Icecream PDF Editor

Free

Icecream PDF Editor is a free PDF editing software that allows users to view, edit, convert, merge, split, extract, rotate, …

iTop PDF

iTop PDF is a PDF editor and converter software that allows users to edit, annotate, OCR, convert, merge, split, compress, …

MJ PDF Reader

Open Source

MJ PDF Reader is a free, lightweight PDF viewer for Windows. It allows you to view, print, and annotate PDF …

Nitro PDF Reader

Nitro PDF Reader is a free PDF viewer and editor that allows you to view, create, convert, edit, and sign …

VuDroid

Open Source

VuDroid is an open-source media center application for Android devices. It allows users to play videos, music, and photos from …

pdf2htmlEX

Open Source

pdf2htmlEX is an open-source PDF to HTML converter that allows extracting content and layout from PDF files. It supports complex …

PDF-XChange Viewer

Free

PDF-XChange Viewer is a free PDF reader and editor for Windows. It provides basic PDF viewing and annotation features like …

Read Right

Read Right is a literacy software designed to help students in grades K-12 improve their reading comprehension. It provides leveled …

Paperboy

Open Source

Paperboy is an open-source news reader and aggregator application. It allows users to subscribe to RSS and Atom feeds and …

Pdf Viewer Plus

Open Source

Pdf Viewer Plus is a free PDF viewer, editor and annotation tool. It allows you to view, edit, sign, and …

pdf.io

pdf.io is a PDF editor that allows you to view, edit, sign, and comment on PDF documents online. Its key …

Evince

Free

Evince is a document viewer for multiple document formats. It is simple, fast and designed to integrate well with the …

Nuance PDF Reader

Nuance PDF Reader is a free PDF viewer and reader application for Windows. It provides essential PDF viewing, annotation and …

PDF Reader Online

PDF Reader Online is a free web-based PDF reader that allows you to view, print, and annotate PDFs directly in …

Shelf (Maui Applications)

Open Source

Shelf is an open-source cross-platform application framework that allows developers to build .NET MAUI apps with C# and XAML that …

zathura

Zathura is a lightweight, customizable document viewer. It provides a minimalistic and space-saving interface as well as an easy usage …

SlimPDF Reader

SlimPDF Reader is a free, lightweight PDF viewer for Windows. It provides basic PDF reading capabilities with a minimal interface …

CovePDF

CovePDF is a PDF software that provides a wide range of PDF manipulation tools for editing, converting, signing, and annotating …

Altarsoft PDF Reader

Open Source

Altarsoft PDF Reader is a free, open-source PDF viewer for Windows. It provides basic PDF viewing, printing and annotation features …

modern computer flatboat

Modern Computer Flatboat is a software that allows users to access their computer desktop remotely from any device. It enables …

NightPDF

Open Source

NightPDF is a free, open-source PDF editor and viewer for Windows. It provides basic PDF editing features like merging PDFs, …

Universal Viewer

Open Source

Universal Viewer is an open-source software that allows users to view and interact with digital content in various formats. It …

PSPDFKit

PSPDFKit is a PDF viewing and annotation software that allows users to view, annotate, fill forms, and collaborate on PDF …

Secure PDF Viewer

Open Source

Secure PDF Viewer is a free program that allows you to view PDF files safely. It opens PDF files in …

Foxit Reader

Freemium

Foxit Reader is a free PDF reader that provides fast PDF viewing, editing, organizing and security features. It is a …

Haihaisoft PDF Reader

Haihaisoft PDF Reader is a free, lightweight PDF viewer and editor for Windows. It allows you to view, print, annotate, …

Kyktir

Open Source

Kyktir is an open-source knowledge management and collaboration platform. It allows teams to organize information, discuss ideas, and work together …