SumatraPDF

Sumatra PDF Viewer is a lightweight free Windows program lets you view PDF documents and many other #Formats without a lot of extra features that slow things down. It has all the basics you need and none of the fluff that you don't. This is a free program for windows users.

Overview

• Sumatra PDF supports PDF, eBook (ePub, MOBI), FB2, XPS, DjVu), Help CHM, Comic Book (CBZ and CBR) formats.
• Sumatra PDF is powerful, small, portable and starts up very fast.
• It is licensed under (A)GPLv3 license, with some code under BSD license.
• The PDF Reader also includes a plugin that can be installed during setup for viewing PDF documents in Firefox, Chrome, and Opera.
• The program has a CLI with lots of options and a Menu interface for actual reading.
• This program can print documents, thus it can convert some formats to PDF as a print option. This feature requires the PDF interface option which treats every format as a fixed page PDF.
• The program is available as 64bit, 32bit and portable app.

Features

• Multiple Files can be opened simultaneously even if they are different formats.
• files names are listed and selected across the top of the display. They can also be exited by tapping the X. Selection can also be made on the menu File.
• The display shows different structure based on the format. For PDF it tends to look like Adobe, while for ePub it shows two columns (based on view menu).
• A drop down menu is consistent on the left side. The content inside the headings depends on the format.
  • File: Open, close, Save as, rename, properties, exit and depending on format other entries.
    • File will also list open documents allow selection
  • View: One page, facing pages, etc.
  • Goto: page number, first page, last page, next page, previous page. May have find.
  • Zoom: depends on format.
  • Favorites: may not be shown.
  • Settings: Language and options.
  • Help: Visit web site, Manual, check updates, about.
  • Window: Manipulate current window. resize, move, close, minimize, maximize, etc.
• The program look and feel can be customized. See https://www.sumatrapdfreader.org/settings.html
• There are two versions: Standard windows and portable version. Multiple portable versions can be on the same machine using different folders thus different settings can be used.

Formats

• PDF (.pdf)
• eBook formats:
  • unencrypted EPUB (.epub)
  • MOBI (.mobi)
  • Fictionwise (.fb2, .fb2z, .zfb2)
• PalmDOC (.pdb format)
  • TCR (.tcr)
• comic book files: .cbz, .cbr, .cbt, .cb7z
  • it can save a comic book as PDF.
• DjVu (.djv, .djvu)
• Microsoft Compiled HTML (.chm)
• XPS (.xps)
• images (.tga, .gif, .jpg, .j2k, .png, .webp, .tiff)
• previewing LaTeX

If Ghostscript is installed, it supports PostScript (.ps, .eps) files.

For more information

• cnet download
• Microsoft store
• https://filehippo.com/it/download_sumatrapdf/ another download site
• https://github.com/sumatrapdfreader/sumatrapdf source files
• https://en.wikipedia.org/wiki/Sumatra_PDF
• https://www.sumatrapdfreader.org/free-pdf-reader.html
• https://forum.sumatrapdfreader.org/ Forum discussion