IcoFX - IcoFX is an all-in-one solution for icon creation, extraction and editing.
Icon Converter by RedKetchup - Convert a PNG, JPEG, WEBP, HEIC, GIF, TIFF, BMP, or SVG image to the ICO format. Customize the icon background and rounded corners. Create a compatible Windows ICO file from an image.
Online Favicon Generator & Gallery - Online favicon generator & creator provides to convert image GIF, JPEG, PNG and download in favicon.ico format 16x16 or 32x32 pixels or HTML code. This website also has a fantastic favicon gallery with download.
RealFaviconGenerator.net - Favicon generator for the mobile era.
Favicon Generator by RedKetchup - Customize the favicon text, colors, font, and corners. Generate the favicon images in all the required sizes. Get the favicon HTML code for all browsers and platforms.
png2ico - Program to convert .PNG files to a Windows icon resource, such as used for website/bookmark icon favicon.ico. Available for different platforms.