Photo To URL logo
Photo To URL

PNG to ICO

Turn a PNG, JPG or WebP into a Windows .ico file containing every icon size you need.

One .ico File, Every Size Windows Asks For

An .ico is not a single image - it is a container holding the same icon at several resolutions, and Windows picks whichever fits the context: 16 pixels in the taskbar, 32 in a file list, 256 for a large thumbnail. Supplying only one size forces the system to scale, which is where blurry icons come from. Pick the sizes you want here and each is rendered separately from your source image, then packed into one file. Non-square images are fitted inside the square with transparent padding rather than stretched, so nothing gets distorted.

How to Convert an Image to ICO

1

Upload your image

A square PNG with a transparent background works best, but any JPG, PNG or WebP will do.

2

Choose the icon sizes

16, 32, 48 and 256 are selected by default, which covers everything Windows normally asks for.

3

Download the .ico

All the selected sizes are packed into a single icon file, ready to use.

What an .ico File Is For

  • Website favicons served as favicon.ico
  • Icons for Windows desktop applications
  • Custom shortcut and folder icons
  • Installer and setup program icons
  • Icons for scripts and small utilities you have built
  • Replacing a blurry icon that only had one size

PNG to ICO FAQ

Which sizes should I include?

16, 32, 48 and 256 is the standard set and the default here. 16 and 32 cover the taskbar and file lists, 48 the desktop, and 256 large thumbnails and previews.

Does the icon keep its transparent background?

Yes. Each size is stored as a PNG inside the .ico, which preserves the alpha channel exactly.

What if my image is not square?

It is scaled to fit inside the square and centred, with the leftover space left transparent. Nothing is stretched or cropped.

Can I use this for a website favicon?

Yes. Download the file, rename it favicon.ico if needed, and place it at the root of your site. Including 16 and 32 covers browser tabs and bookmarks.

Will this .ico work on older Windows versions?

It uses PNG-compressed entries, which Windows Vista and everything after read natively. Windows XP and earlier may not display it.

Is my image uploaded to convert it?

No. Each size is rendered on a canvas in your browser and packed into the .ico locally, so the file never leaves your device.

Select Region

Choose your preferred language and region