Apple disk image .dmg
A macOS disk image; extraction depends on its filesystem and compression variant.
Server processing uses engines we host. Availability depends on the deployed engine and supported file variant.
DMG file format guideDMG to GZ converter
Convert Apple disk image (.dmg) to GZ for free. Choose files, review the available settings and download your results. No account needed.
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Drag files here or choose them from your device.
GZIP .gz
A compressed stream for one file. TAR is often used first to bundle multiple files.
GZ file format guideHow to convert DMG to GZ
- Select DMG files from your device or drag them into the converter.
- Check the GZ output. Open conversion settings if you want to make adjustments.
- Convert, compare the original and result, then download your files.
Quality, compatibility and file limits
Archive contents are extracted and rebuilt. Input compression variants, passwords and entry limits affect support.
Processing uses your device when possible and our servers when required. Browser files are limited to 256 MB each; server conversions to 64 MB; browser spreadsheets to 32 MB. Previews show supported content and do not guarantee identical rendering in every application.