Top Alternatives to STDU Viewer

Foxit Reader is a lightweight, fast PDF Reader.

Sumatra PDF is PDF reader and writer for Windows.

Adobe Acrobat Reader DC is the industry standard for viewing, printing, signing and commenting on PDF documents.

Evince is a document viewer for PDF, PostScript, DjVu, TIFF, XPS and DVI formats.

PDF-XChange Viewer is a free PDF editor/reader.

Okular is a universal document viewer based developed by KDE.

FBReader is a free ebook reader. Main ebook formats: ePub (including main features of ePub3), Kindle azw3 (mobipocket), fb2(.zip).

CDisplay Ex is a popular comic book reader. It's capable of reading all comic book formats.

ComicRack is a comic reader.

Comix is an image viewer specifically designed to handle comic books. It reads ZIP, RAR and tar archive.

MuPDF is a free and open-source software framework written in C that implements a PDF, XPS, and EPUB parsing and rendering engine. It is used primarily to render pages into bitmaps, but also provides support for other operations such as searching and listing the table of contents and hyperlinks.

WinDjView is a fast, compact and powerful DjVu viewing application for the Windows.

Chrome PDF Viewer Plug-in is a built-in PDF viewer in chrome.

PDF Studio is a multi-platform PDF editor.

Honeyview is a very fast image viewer supporting various formats.

qpdfview is a tabbed document viewer.

MComix is a user-friendly, customizable image viewer.

Perfect Viewer is a very fast image/comics/ebook viewer.

zathura is a PDF viewer.

GonVisor is a multiple-format viewer for PC which supports pictures, comics, magazines, and books in electronic format.

Xodo is a PDF reader and annotator.

Universal Viewer is an advanced file viewer for wide range of formats.

ePDFView is a free standalone lightweight PDF document viewer using Poppler and GTK+ libraries.

Kami is an online PDF viewer.

Document Viewer is a highly customizable document viewer for Android.