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How to Design a Logo That Works at Every Size
The design choices that hold up from a 1024×1024 App Store listing down to a 16×16 favicon — and the ones that fall apart.
An app icon has an unusually wide size range to survive. The same source artwork has to read clearly at 1024×1024 on an App Store listing and still be recognizable at 16×16 in a browser tab. Very few design choices work equally well at both extremes, so designing "for the icon" rather than shrinking an existing logo tends to produce far better results.
Simplify before you scale down
Fine detail, thin strokes, and small text are the first things to disappear at small sizes — a hairline stroke that looks crisp at 512×512 can vanish into a single blurred pixel row at 24×24. The most durable icons tend to reduce their concept to a single bold shape or silhouette rather than a detailed illustration, precisely because a simple shape keeps its silhouette recognizable no matter how small it gets rendered.
Contrast matters more than color
At very small sizes, subtle color differences blend together before a viewer's eye can register them, but a strong light/dark contrast stays legible far longer. Testing an icon in grayscale is a quick way to check whether it's relying on contrast (which survives shrinking) or purely on color separation (which doesn't).
Leave margin — platforms will crop
Android's adaptive icons, iOS and macOS's rounded corners, and web app maskable icons all crop into their final shape from a square (or larger) source canvas. A logo drawn all the way to the edges of its canvas will get clipped the moment any of those masks are applied. Designing with generous, even margin on all sides — even if it looks slightly small in an un-cropped preview — is what keeps the logo intact once every platform's mask has been applied.
Start big, not small
Because every downstream size is a downscale, not an upscale, starting from the highest-resolution version of the artwork you can produce (1024×1024 or larger, and vector if possible) gives every generated size the most detail to work with. Starting from a small or low-resolution source image and scaling it up only amplifies existing softness or compression artifacts at every larger size generated from it.
Ready to generate your icons? Open FLogo Generator.