Icons are small images of the format .ico usually as small as 16×16 pixels for using as a favicon in websites. You can create a custom icon for your application or to use as favicon on your website by converting a image to .ico file. You can use images of the format JPEG, PNG etc to convert into ico format. Here’s 5 online utilities that lets you convert an image of your choice into icon file by uploading them. There are free online tools, click on the title to go to that website / page.
This website tool let you upload a PNG file from your computer or from a URL and it will instantly convert it into an icon file. It is easy to use and free service
This online tool will let you create 16×16 pixel favicon to use in your website. It accepts gif, jpg, png, and bmp picture formats and converts to .ico.
this is a more than simple picture to icon conversion online tool. It accepts images of the format .ICO, .PNG, .GIF, .JPG, and .BMP. It has various icon formats like 6×16, 32×32, 48×48 up to 512×512 pixel. You would add special effects to icons such as saturation+ and grey style. This is one of the best online icon generator website.
This online page also let you upload image and convert it into icon file, usually used for creating fav-icon. It also has a visual icon maker where you can
This is a simple online icon generator that allows NG, JPEG, GIF, BMP as input file and produces .ico output. You can generate icons of 16×16, 32×32, 48×48, 64×64,128×128, 256×256 resolutions.