CHD file format description

Many people often share .chd files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .chd files. To address this issue, we have created this page to offer assistance and guidance on handling .chd files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .chd files.

Our aim is to simplify the process and promote seamless use of the .chd file format.

3 filename extension(s) found in our database.

.chd - MAME Compressed Hard Disk Image

The CHD disk image files are related to MAME. The CHD file is a MAME Compressed Hard Disk Image. MAME is an emulator application designed to recreate the hardware of arcade game systems in software on modern personal computers and other platforms. A CHD file is a compressed representation of a game's hard disk, CD-ROM, or laserdisc, and is generally not included as part of a game's ROMs.

Category:Disk Image files
Magic:- / -

MAME Compressed Hard Disk Image related extensions:

  • cfg MAME Configuration
  • dif MAME CHD Diff Data
  • hi MAME Highscore Data
  • ic8 Neo Geo BIOS Image
  • inp MAME Replay Data
  • lay MAME Layout Data

.chd - Chordastic Chord

The CHD document files are related to Chordastic. The CHD file is a Chordastic Chord. Chordastic is a lyrics and chords editor that may be used for fast and easy music tab editing.

Category:Document files
Magic:- / -

Chordastic Chord related extensions:

  • ecx Chordastic Export

.chd - Chart FX Script

The CHD development files are related to Chart FX. The CHD file is a Chart FX Script. Chart FX is a data visualisation tool for Visual Studio. The Chart FX seems to be no longer supported.

Application:Chart FX
Category:Development files
Magic:- / -

Chart FX Script related extensions:

  • jsm JAWS Script Message File
  • vspolicy Visual Studio Policy Description Language Data
  • lds Liquid Studio Source Code
  • ic Esterel Intermediate Code
  • dtbo Linux Device Tree Overlay
  • gen dBase Application Generator Compiled Template

Be careful.

It is important to understand that the .chd file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .chd extension to create files. This includes potentially harmful programs or malware that may generate .chd files for various purposes. Be especially cautious with .chd files coming from untrusted or unknown sources.

Can't open a .chd file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize an extension, you receive the following message:

Select an app to open this .chd file

To set the .chd file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. Under the Default apps section, you will find various categories such as Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate, such as Photos for image files or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the desired app is not listed, click on More apps to see additional options or click on Look for an app in the Microsoft Store to search for apps in the Store.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set .chd file association. Many applications can open .chd files without requiring any specific file association to be set.

The .chd file extension is often given incorrectly

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. Our goal in providing this list is to help users find the right information more easily and enhance their overall search experience on our website.

These misspellings were the most common in the past year:

cbd, cd, cgd, ch, chc, che, chf, chr, chs, chv, chw, chx, cjd, cmd, cnd

Is it possible that the filename extension is misspelled?

There is a possibility that the .chd filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .chd:

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you find the information on this .chd page useful, please feel free to link to this page. >> CHD file