Image to ICO Converter

Convert any image to ICO favicon format — create favicons instantly.

100% Browser-Based

Files Never Leave Your Device

No Server Uploads

Zero Data Collection

How It Works

Upload a PNG, JPG, or WebP image

Choose which icon sizes to include (16×16, 32×32, 48×48)

Download the generated ICO file

Generate ICO files with multiple sizes in one file

Includes 16×16, 32×32, and 48×48 — all standard favicon sizes

ICO binary encoding happens entirely in your browser

What sizes are included in the ICO?

By default: 16×16, 32×32, and 48×48 pixels.

Can I use any image?

Yes, square images work best. Non-square images are center-cropped.

Is ICO still used for favicons?

Yes, ICO is still the most universally supported favicon format, especially for older browsers.