Upload one image, get every favicon size a modern site needs — instantly, nothing uploaded.
Different platforms and devices request different icon sizes — having them all ready avoids blurry or missing icons.
Download each size individually, or all at once, then paste the generated HTML snippet into your site's <head>.
Not strictly — 16×16, 32×32, and 180×180 (Apple touch icon) cover the vast majority of browsers and devices; the larger sizes mainly matter for PWA installs and app store listings.
Non-square images are automatically center-cropped to a square before resizing, since all standard favicon formats are square — use a square source image to avoid any cropping.
The classic .ico format bundles multiple sizes in one file and has near-universal support; modern browsers also fully support PNG favicons via the HTML snippet this tool generates, which is simpler to maintain.