.CHD File Extension

The MAME Team
File Type:
MAME Hard Disk Image

Having trouble opening .chd extension? Don't panic! This page explains what chd files are as well as suggests programs you may use to open chd files. You can download these programs through this page.

What is a CHD file?

Chd file extension has MAME Hard Disk Image file type, developed by The MAME Team, which is associated with the "game files" category.

Commonly applied by MAME emulator games, the file contains arcade machine's hard disk contents in a compressed format. CHD files often take a large amount of disk space due to their big size, which depends on the hard disk’s original size.

To learn how you can open the given file, read the information below.

chd file icon
The MAME Team
File Type:
MAME Hard Disk Image
Game Files

How to open CHD file?

Double click the chd file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .chd extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the chd extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the chd file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open CHD files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the chd file as well. Download Universal File Viewer for your OS.

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