Information about .pgm File Extension

IrfanView is a very fast, small, compact and innovative FREEWARE (for non-commercial use) graphic viewer for Windows 9x, ME, NT, 2000, XP, 2003 , 2008, Vista, Windows 7.

XnView is a cross-platform image viewer used for viewing, converting, organising and editing graphical & video files. It is free of charge for private non-commercial, educational use and non-profit organisations.

Paint Shop Pro (PSP) is a raster graphics editor and, later in the series, a vector graphics editor for computers running the Microsoft Windows operating system that was originally published by Jasc Software.

ACDSee makes it easy to get, view, organize, print, enhance and share your digital photos super fast. The original ACDSee product was discontinued by manufacturer and replaced by ACDSee Photo Manager.

LibreOffice Draw lets you produce anything from a quick sketch to a complex plan, and gives you the means to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is a an excellent package for producing technical drawings, general posters, and much else.