By default, all software supports multiple file extensions. IrfanView supports at least 54 different file extensions. The basic files that IrfanView supports are .DJVU. However, not all of the extensions listed on the list are always used to save the effects of work in IrfanView. Very often, files with such extensions are used as source data files used by IrfanView.
IrfanView can be used to convert file formats between the file extensions listed below. You can open a file with one of the file extensions below via IrfanView and try to save it in another file format, also supported by IrfanView.