What si NRG file?

NRG files are those file which can be used by CD burning software to create images into CD. In simple words, .NRG File is a complete CD in image format. Various burning software such as NERO burning ROM use this. These files can also be used by other softwares for mounting into virtual drives which shall serve the purpose of reading. Software such as Alcohol 120% and Daemon tools are used for reading purpose. NRG files are not images but data files. ROM burning software can be used to convert them to ISO format. Various softwares such as nrg2iso, fusenrg, nrg4iso and PowerISO are used for the above purposes.

NRG files store data in chunks which is not readable. By converting it to ISO format it can be put in a CD and image file can be created for reading. This file is attached like a footer at the end of a data file. NRG file stores chunks of data and to read the same the footer should be read in the file.

The basic purpose of creating an image or .NRG file is to create an exact image of the CD/ DVD so that the files can be accessed without the CD/DVD by using mounting software which shall enable the user to read the file.