Information about the .ico (ico) file type

Below is all the information we have available on file about the .ico (ico) file type.

.ico

Microsoft Windows icon image file. An icon is a small image which is used to represent the application. Icons can also be associated with web pages.

favicon.ico

A file used on websites to hold a favourites icon (or favicon), which is the icon displayed in the browser for the webpage. The file name is traditionally favicon.ico, but does not need to have this name.

The following links provide further information related to the .ico file extension:

• http://www.cryer.co.uk/resources/javascript/html7_add_a_page_icon.htm - How to add a favicon to a web page.
• http://www.daubnet.com/en/file-format-ico - File format information for .ico files.
• http://msdn.microsoft.com/en-us/library/ms997538.asp - - This article describes in detail the format and use of icons in Windows.
• http://www.irfanview.com - A excellent image manipulation program (freeware) for Windows which can be used to create and edit .ico files.
• http://www.chami.com/html-kit/services/favicon - an online tool for converting an image to a favicon.ico file.
• http://icofx.ro - Excellent (and free) icon editor.

Where this is available we would like to include file format information on .ico files, as well as information on how to view or open files of type .ico. If you know of any information which we have missed then please let us know.