ICO (icon) converters

ICO is the Windows icon format, also used for favicon.ico, the small picture a browser shows in tabs and bookmarks. One .ico file holds several sizes of the same picture, so each place can use the size that fits best instead of scaling one image.

Convert ICO (icon)

• PNG → ICOConvert PNG to ICO

What to know about ICO (icon)

• Common sizes are 16, 32 and 48 px; Windows uses 256 px for large icons.
• Since Windows Vista each size can be stored as a PNG, with full transparency.
• Browsers look for /favicon.ico at the root of a website if a page names no other icon.

File extensions: .ico