Best Document Viewer Alternatives & Competitors

Ebook manager, viewer & converter

Open Source

Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.

As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more

Try for free paid Free Trial $15.0 / Monthly (125+ Documents)

Okular is a universal document viewer based developed by KDE.

Evince is a document viewer for multiple document formats: PDF, Postscript, djvu, tiff, dvi, XPS...

Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...

FBReader is an e-book reader for various platforms. Features:

Foxit Reader is a free and light-weight multi-platform PDF document viewer.

MuPDF is a lightweight PDF and XPS viewer.

Open Source

Adobe Acrobat Reader is a free tool for viewing documents that have been stored in Adobe's Portable Document Format (PDF).

Try easy-to-use PDF tools that keep your documents safe. Work with your important files across all platforms and devices with the ultimate all-in-one document solution. Your productivity lives at Xodo!

paid Free Trial $12.99 / Monthly (Xodo Pro subscription, 1 user, all platforms included)

Google Play Books lets you search, preview, and buy millions of books using Google Book Search.

Read book files in EPUB, PDF, DOC, DOCX, RTF, TXT, DJVU, FB2, MOBI and CHM formats.

Fast and small cross-platform eBook reader for desktops and handheld devices