CHD File - opening and understanding

Did your computer fail to open a CHD file? We explain what they are used for and recommend software that we know can open or otherwise handle your .CHD files.

What is a CHD file?

A .CHD file is a MAME Compressed Hard Disk image file. Through our analysis of CHD files, we know that one use of the format is MAME Compressed Hard Disk image. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open CHD files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension CHD for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 2 different CHD openers which you will find listed below.

Suggest another file format using extension CHD

While we know of one file format using the .CHD file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .CHD file.

Various viewers for this file format

These apps are known to open certain types of CHD files. Remember, different programs may use CHD files for different purposes, so you may need to try out a few of them to be able to open your specific file.

LP Data ViewLP Data ViewUser submitted
ChordMakerChordMakerUser submitted
We have not verified any software that we know for certain will work with CHD-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with CHD-files. If you know one, please use the 'Suggest a program' link below and tell us about it!