What's new in Disk Jockey

v4.1 (September 2025)

• You can now analyze many disk images at once by dragging their icons (or the folder containing them) to Disk Jockey's icon.
• Improved the resizing behavior of the file inspector when browsing through files.
• Improved disk image analysis speed in many cases.
• BASIC listings are now more legible.

v4.0.1 (August 2025)

• Fixed a crashing bug during the creation of some Macintosh images with sizes over 832 MB.
• Fixed a display bug causing some image destinations to not be selectable.
• You can now inject MFS volumes in a Macintosh device image. This probably never happened back in the Eighties but System 6 and 7 support it so here you go.
• It's now possible to select several injectable images at once in the Macintosh partitioner.

v4.0 (August 2025)

A brand-new Disk-O-Matic

• A new Inspector that shows more information than before! See the contents of your files with the hex viewer! When Disk-O-Matic knows the format, display the contents of the file. For example: Atari ST users will be able to see images in many different formats (Degas, Spectrum 512 and others). Got some old AppleSoft Basic programs on a ProDOS volume? Read them directly and save them on your local machine!
• Support for additional disk image formats: TOS hard drives, Disk Copy 6 (NDIF), UCSD Pascal and more.
• View and extract files from all supported formats (this now includes UCSD Pascal, MFS and DOS 3.3)

A better interface

• Menus and keyboard shortcuts for many options
• Since I finally found a test machine, Disk Jockey now runs much better on older macOS versions (10.13 and up). Thank you for your patience with this, users of older machines.

And more

• Many (many!) invisible improvements were made under the hood.

Previously in Disk Jockey

• From v3.4.1 (202406) to v3.4.7.3 (202507): Bug fixes. So many bug fixes.
• v3.4 (202406): HFS+ support. Resource forks in ProDOS.
• v3.3 (202404): Better multithreading
• v3.2 (202404): Export as JSON
• v3.1 (202403): MSA support
• v3.0 (202403): Tons of new features and support for more image types.
• v2.5.2 (20230102): BlueSCSI v2 support. Bug fixes.
• v2.5 (20221015): Multiple partitions, ProDOS love and self-updating.
• v2.1 (20220722): Disk Jockey Jr ( djjr ) lets you create disk images from the command line on macOS. An issue where some device images with a replaced Lido SCSI driver would show their HFS partitions as read-only has been corrected.
• v2.0.1 (20220712): Bug fix. This version corrects a crash that would sometimes occur when dealing with an HFS partition containing a large number of files.
• v2.0 (20220708): Disk-O-Matic can analyze your existing images. Bug fix: Images with a SCSI driver now work on all Macs, from the Plus to the Power Macintosh G3.
• v1.6 (20220428): Corrected an issue that could cause some PowerPC Macs to crash with a Sad Mac on startup.
• v1.5 (20220415): Improved the disk name name generation code and fixed a bug that caused BlueSCSI to not recognize some disk image names (because they were longer than 32 characters).
• v1.4 (20220402): The SCSI ID selector was not disappearing properly (purely cosmetic).
• v1.3 (20220401): Couple of bug fixes
• v1.2 (20220331): Disk Jockey now runs on Mac OS 10.11 and up! Also, some interface tune-ups
• v1.1 (20220329): Bug fix for the SCSI driver not loading on all configurations
• v1.0 (20220328): First release!