ICO Converter Online
Convert PNG, JPG or WebP images into ICO favicon files online for free. Choose the icon size, fit mode, background option and preview before downloading.
Original Image
Icon Preview
How to convert an image to ICO
Upload a PNG, JPG or WebP image, choose the icon size, fit mode and background option, then click Convert to ICO. PictLab generates an icon preview and a downloadable ICO file.
This tool is useful for favicons, website icons, app prototypes, desktop shortcuts and browser tab icons.
What this ICO converter supports
- Input formats: PNG, JPG and WebP
- Common icon sizes from 16 × 16 to 256 × 256
- Contain, cover and stretch fit modes
- Transparent or solid background
- ICO download with preview in multiple favicon sizes
Popular uses for an ICO converter
Use this tool to create favicons, browser tab icons, desktop shortcut icons, prototype app icons and simple website icon files from PNG, JPG or WebP images.
For website favicons, 32 × 32 and 48 × 48 are common practical choices. For higher-resolution icon workflows, choose a larger size such as 128 × 128 or 256 × 256.
Related icon and image tools
Frequently asked questions
Can I create a favicon?
Yes. Upload your logo or image, choose 32 × 32 or 48 × 48, then download the ICO file.
Can the icon background be transparent?
Yes. Keep Transparent background set to Yes when your source image supports transparency.
Which fit mode should I use?
Contain keeps the whole image visible, cover fills the icon area, and stretch forces the image into a square.
Which icon size should I choose?
For a simple favicon, 32 × 32 is a common choice. For larger icons, choose 128 × 128 or 256 × 256.
Can I preview the icon?
Yes. The tool shows the generated icon and common preview sizes before download.
Which formats can I upload?
You can upload PNG, JPG and WebP images.