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Alan.app

November 26, 2025

Maybe it's because my eyes are getting old or maybe it's because the
contrast between windows on macOS keeps getting worse. Either way, I
built a tiny Mac app last night that draws a border around the active
window. I named it "Alan".

In Alan's preferences, you can choose a preferred border width and
colors for both light and dark mode.

That's it. That's the app.

You can download a notarized copy of Alan here.

Here's a short demo video.

If you want to hide Alan's icon from the Dock, you can set a hidden
preference by running this Terminal command. Then, relaunch the app.

defaults write studio.retina.Alan hideDock -bool true

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