The RedKetchup - Icon Converter allows you to convert an image into a compatible Windows icon online. It can also customize the icon background with a color or adjust its rounded corners. Finally, it can configure the image format and the color depth used internally by ICO files.
Icon Editor by RedKetchup - View and edit Windows icons (ICO files) directly from the browser. Create icons in 8-bit, 24-bit, or 32-bit color depth. Extract all the layers of an ICO file as PNG images.
Online Image Converter - Online Image Converter converts your BMP, JPG, PNG, GIF or ICO files quickly and easily.
IcoFX - IcoFX is an all-in-one solution for icon creation, extraction and editing.
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.
IconWorkshop - Application to create and manage software icons. A must for developers.
RealFaviconGenerator.net - Favicon generator for the mobile era.