DMG Converter

Convert DMG (Apple disk image) files online, for free, with nothing to install.

DMG is the Apple disk image format used to distribute macOS apps. Converting it gives you its files on any system. DMG files can be saved as ZIP, 7Z, TAR, TAR.GZ, TAR.BZ2, TAR.XZ, RAR, and most of these conversions run right in your browser, so your files stay on your device.

What is a DMG file?

DMG – Apple disk image. DMG is the Apple disk image format used to distribute macOS apps. Converting it gives you its files on any system.

How to convert a DMG file

  1. Click Select File, or drop your .dmg files anywhere on this page.
  2. Pick the format you want next to each file, for example ZIP.
  3. Click Convert, then Download when it's done.

DMG at a glance

DMG
TypeArchive
HoldsMany files and folders
Compressionzlib, bzip2, LZFSE or none
EncryptionAES-128 or AES-256
Created byApple
Best forDistributing macOS apps

Frequently asked questions

What is a DMG file?

DMG is the Apple disk image format used to distribute macOS apps. Converting it gives you its files on any system.

How do I open a DMG file?

Archive programs such as 7-Zip open many formats. Without one, open it on our Extract DMG Files page to see what's inside and save the files you need, or convert it to ZIP here: Windows, macOS and Linux all open ZIP files by themselves.

Is converting DMG files free?

Yes. Everyone gets 25 free credits a day, with no account needed. Conversions on our server use one credit per started minute of work, so most cost a single credit. Credits reset at midnight UTC.

Are my DMG files uploaded anywhere?

Files up to 200 MB never leave your device: ConvertKitty runs 7-Zip inside your browser. Only larger files, or formats your browser cannot handle, are sent to our server, over an encrypted connection, and deleted 72 hours after the conversion. The button says "Upload and convert" whenever that happens.

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