BetterDummy
An app so all Mac users can enjoy custom HiDPI resolutions.
BetterDummy launched on November 12, 2021 with 81 votes, #650 of 2,925 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 4 years on.
What it does
BetterDummy creates a virtual display which you can utilize as a mirror main for your display on the Mac. This technique allows all Macs (including Apple Silicon) to have any HiDPI "Retina" resolution on any display you use.
Unlock your displays on your Mac! Flexible HiDPI scaling, XDR/HDR extra brightness, virtual screens, DDC control, extra dimming, PIP/streaming, EDID override and lots more! - waydabber/BetterDisplay
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