Favicon Generator is a free online tool from Swift Toolbox (Image). Generate favicons in all sizes (16–512px) and a .ico file from any image — fully local.
It runs entirely in your browser — nothing you enter or upload leaves your device.
🗜️ Image Compressor · ✂️ Image Cropper · 🔄 Rotate & Flip · 🎛️ Filters & Color