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PNG to ICO

Convert PNG, JPG or WebP images into a real ICO file with multiple icon sizes and transparent padding.

Free No sign-up Runs in your browser

1 Your input

Files stay on your device. You can also drag files into this workspace.

PNG, JPG or WebP, up to 25 MB and 16 million pixels. The image fits inside a square with transparent padding.

2 Result

Your result will appear here

Everything is processed in your browser.

What is PNG to ICO?

PNG to ICO is a free online image tool from GigaTools. Convert PNG, JPG or WebP images into a real ICO file with multiple icon sizes and transparent padding. It runs entirely in your web browser, so nothing is uploaded and it works on any device without installing software.

Common uses

  • Create a website favicon
  • Prepare a Windows application icon
  • Convert a transparent logo to ICO

How it works

How to use PNG to ICO

Choose your image

Select a PNG, JPG or WebP file up to 25 MB and 16 million pixels.

Choose icon sizes

Choose all sizes for a Windows icon, or 16, 32 and 48 pixels for a favicon.

Convert and save

Click Convert and download the ICO file. Non-square images receive transparent padding.

FAQ

Good to know

How do I use PNG to ICO?

1. Choose your image: Select a PNG, JPG or WebP file up to 25 MB and 16 million pixels. 2. Choose icon sizes: Choose all sizes for a Windows icon, or 16, 32 and 48 pixels for a favicon. 3. Convert and save: Click Convert and download the ICO file. Non-square images receive transparent padding.

Is this a real ICO file?

Yes. It contains 32-bit bitmap images and transparency masks, not a renamed PNG.

What sizes are included?

The all-sizes option includes 16, 32, 48, 64, 128 and 256 pixels. Existing backgrounds are preserved.

Is this tool free?

Yes. This tool is free to use and does not require an account.

Are my files uploaded?

No. Processing happens in your browser. Your input and output files stay on your device.

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