Unlock all display resolutions
Display Maestro gives you full control over attached displays, allowing the usage of all available resolutions and bit depths. This is done by ignoring the operating system setting of hiding potentially unsafe resolutions.
Restore legacy depth modes
It is ideal for running legacy games which require 256-color mode and do not automatically switch the screen depth for you. Mac OS X 10.5 Leopard removed the ability to set 256 color mode manually using the built-in preferences pane, but the feature is now available here in Display Maestro!
Light-weight and background-friendly
Display Maestro is a small application which can be configured to launch during login, and sits quietly in the menu bar. Upon exit, it will also automatically revert your display back to the resolution chosen before it was launched.
Comprehensive feature-set
- Display list of all displays and resolutions
- Hide/show unsafe resolutions
- Restore ColorSync Settings
- List detailed information about supported resolutions
- List detailed information about the current resolution
- List detailed information about each display device.
- Current resolution is checked
Licenses to suit your needs

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Single-user or One Computer
- Price: US$4.95
- Intended Use: 1 User/1 Computer
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Student
- Price: US$2.95 (must provide valid Student ID)
- Intended Use: 1 User/1 Computer
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Family Pack
- Price: US$11.95
- Intended Use: 5 Users/5 Computers
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Educational Institution
- Price: US$19.95
- Intended Use: 90 Users/90 Computers
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Business
- Price: US$24.95
- Intended Use: 150 Users/150 Computers
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World
- Price: US$74.95
- Intended Use: 300 Users/300 Computers
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| More details on license types can be found on our License FAQ. |
User Reviews
"Perfect utility to use when you want to play old games in 256-color mode! Couldn't be easier to use, either. It runs in the background, barely noticeable unless you're looking for it. 10/10 and two thumbs up." — Geoff Christofferson
"Great app! You can do whatever you want with it, but as soon as you quit, your screen reverts back to what you had it set to beforehand. You don't need to worry about screwing up. Love it!" — Madison Cundy
"Does exactly what it's advertised to do. Very responsive developer, too. In my opinion this is an essential Mac app as it brings back features that Apple has taken away over the years and puts them back to use. Can't argue there. Absolutely recommended." — Kyle Fox
"Great for playing old games! I'm a huge legacy gamer so this app is perfect. There's nothing worse than trying to play an old game in the wrong resolution. It feels like a default Mac function too, the way it just sits up there in the top bar. Love it." — Kaylee Harrington
"It even works with multiple display devices. I'm impressed. The details about each resolution is a nice touch, too. I'd recommend this for anyone with multiple displays, and I know there's a lot of that out there these days." — Jamie Love
"I was upset when Apple decided to remove 256-color in Leopard. This app fixed my problem right away. The best part about it is that it just feels like an extension of the OS itself. Very well done and totally worth the five bucks." — Kodie Rossi
"I'm usually wary about third-party apps that screw around with your settings, but this one is good. Everything reverts back to normal once you quit the app so you don't have to worry about permanently botching something up. A great addition to an already great operating system." — Max Rosenberg
"This is perfect! I have multiple monitors set up and this is just what I needed. So simple and useful. Worth every penny I paid for it. I probably would have paid thrice that if you'd asked me to." — Colton Rau
"GREAT app, and wonderful developer to boot. Answered all my questions thoroughly, quickly and kindly. I have a feeling I'll be owning several more Koingo apps here within the next few months. It's just a matter of time now." — Devon Johnson
"Retro Mac gaming for the win! I love this app. It makes my life so much easier. I was pretty bummed when I noticed that Apple had removed the 256-color display option. This app fixes that problem right away. Thanks for being awesome, Koingo. As always." — Sean Bigsby
Detailed list of changes
Version 1.2.3
- This version is compatible with Mac OS X 10.6 or later only. Versions for older systems can now be downloaded from our web site.
- Version 1.2.3 — December 28, 2012
- Bug Fix: Fixed some Retina display issues.
- Version 1.2.2 — December 11, 2012
- Bug Fix: Fixed crash parsing strings.
- Version 1.2.1 — December 6, 2012
- Modification: Updated to the latest set of Koingo Software core classes for overall stability improvements.
- Version 1.2 — October 23, 2012
- Modification: Updated to the latest set of Koingo Software core classes for overall stability improvements.
- Version 1.1.9 — February 10, 2012
- Modification: Updated to the latest set of Koingo Software core classes for overall stability improvements.
- Release notes truncated to 2012.
Older versions for legacy users