Which icon sizes are included?

Modern ICO files can contain PNG-compressed frames. Including multiple sizes lets Windows and browsers choose a sharp version instead of scaling one image repeatedly.

What the result contains

A separate result that create a valid multi-size ICO file from a PNG. The source remains unchanged in the current browser session.

Supported formats

How to use PNG to ICO

Choose a source file in a supported format (PNG) and confirm the displayed file details.
Prepare the available controls for this practical goal: Create a Windows application icon from a PNG logo
Run PNG to ICO and confirm that the new result matches the stated outcome before saving it.
Check this known constraint before download: A square source with a simple design scales down most clearly If needed, revise the settings and create another version from the retained source.

Practical example

Create a Windows application icon from a PNG logo. Use a representative source, compare the output with the original, and keep the version that meets the destination's requirements.

When to use PNG to ICO

Create a Windows application icon from a PNG logo
Generate a favicon.ico for a website
Produce an icon that displays sharply at several sizes

Important limitations

A square source with a simple design scales down most clearly
The output uses modern PNG-compressed ICO frames

Troubleshooting PNG to ICO

The result is different from what you expected

A square source with a simple design scales down most clearly Return to the retained source, adjust the relevant setting and create a fresh result rather than repeatedly processing the output.

Private local processing

The file is processed on this device and is not uploaded to MyFileNest. Closing or refreshing the page clears the active session.

Frequently asked questions

Practical limit: Files up to 25 MB are accepted for guests. Very large dimensions, complex documents or limited device memory can affect browser processing.