Convert any image to a multi‑size ICO favicon file that includes 16×16, 32×32, 48×48 and 64×64 icons. Ideal for website favicons that need to look sharp on all browsers and devices, from tabs to bookmarks. All resizing and binary packaging happens locally in your browser—your image never travels over the network.
No. The tool works 100% client‑side. Your image stays on your device at all times.
Yes. The output is a widely supported multi‑resolution ICO that works in modern browsers.
Yes. The icon sizes are stored as PNG‑encoded frames, which keep any alpha channel from the original image.