Topic: Substack
2 posts
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Substack Logo Size Guide 2026: A Clean 256px Mark
Make a clean Substack logo with the right 256px square, transparent background, and a separate wordmark that doesn't get squeezed.
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Change a Substack Profile Picture Without a Tiny Logo
Change your Substack profile picture with a square source, a circle preview, and a logo test that stays legible on a phone.