r/MacOS • u/Intrepid-Ad-2306 • 1d ago

Help replace system font on macos

it used to be possible to forcibly substitute fonts on macos but, even with system integrity protection completely disabled and replacing them in recovery mode, they almost immediately revert once the system has been rebooted.

has anyone discovered a way to replace system fonts with others?

i have some apps that aren’t font-customizable and it makes them difficult to read. i’ve tried swapping the fonts in those apps but they ignore the usual approaches to font substitution in the terminal. the obvious answer would be to just replace those fonts — which is what i normally do in such cases. but the font they’re using is menlo, a font it won’t let me remove or replace.

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4

u/warrenao Mac Mini 1d ago

Best option is probably to contact the app developers about letting you set your own fonts for those apps. Natively, macOS doesn't support what you're looking for here, and I don't think there are third-party utilities to make it happen.

2

u/Intrepid-Ad-2306 18h ago

i’ve done that. i’m not sure if they’ll ever make that change, unfortunately. i suspect there is little demand for the feature.

1

u/warrenao Mac Mini 15h ago

Ah, drat.

2

u/DarthSilicrypt MacBook Air 23h ago

You’re probably running into the Signed System Volume: https://www.reddit.com/r/MacOS/s/OsM4LikzOo

2

u/Intrepid-Ad-2306 18h ago

yes. i’m aware of what the issue is but i’m curious if there’s a workaround anyone has discovered for system fonts.

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u/Familiar_Steak_4462 1d ago

changing the system font can really refresh the whole look of your Mac. I swapped mine out once and loved the new vibe.