An ICO file is an icon container that can store one or more icon sizes in a single file. Websites often use favicon.ico for browser tabs and bookmarks.

Browser-based favicon tool

Free Image to ICO Converter

Convert PNG, JPG, JPEG, or WEBP images into a real favicon.ico file. The default output size is 48x48, and the conversion happens fully in your browser.

No backend upload Real ICO binary Works after page load

Three simple steps

Create favicon.ico

Upload an image, choose one ICO size, then download one favicon.ico file.

1. Upload image

Choose a source image

Accepted formats: PNG, JPG, JPEG, WEBP. Maximum file size: 10MB.

Drag image here or click to upload Your image is processed locally in this browser.

2. Choose ICO size

Select one output size

Only one ICO size can be selected. The default size is 48x48.

3. Convert and download

Preview and install

Favicon preview

Upload an image and convert it to preview the selected favicon size.

HTML favicon code

Place favicon.ico in your site root and add this inside your HTML <head>.

<link rel="icon" href="/favicon.ico" sizes="48x48">

Beginner-friendly guide

How to use this image to ICO converter

Upload image: Choose a PNG, JPG, JPEG, or WEBP image from your device.
Choose ICO size: Keep the default 48x48 size or choose one available dimension.
Convert and download: Click convert, then download the generated favicon.ico.
Add to website: Upload favicon.ico to your website root and use the provided HTML link tag.

What is ICO?

An ICO file is an icon container. This tool generates one selected icon size inside the downloaded favicon.ico.

Why is favicon.ico useful?

A favicon helps users recognize your website in browser tabs, bookmarks, history, and shortcuts. The filename favicon.ico is widely supported.

Supported image types

This converter supports PNG, JPG, JPEG, and WEBP input files. Transparent PNG and WEBP images keep transparency in the generated ICO entries.

Default favicon size

The default size is 48x48. You can choose 16x16, 24x24, 32x32, 64x64, 128x128, or 256x256 if your project needs a different size.

Answer-friendly FAQ

Image to ICO FAQ

What is an ICO file?

An ICO file is an icon file format. Websites commonly use it as favicon.ico.

Can I convert PNG to ICO?

Yes. You can upload a PNG image and convert it into a real ICO file. JPG, JPEG, and WEBP images are also supported.

Does this tool upload my image?

No. The tool uses browser APIs such as Canvas and Blob. Your image stays on your device and is not sent to a backend server.

Which favicon size should I use?

Use the default 48x48 size unless your website or platform needs a specific size.

Can I use this favicon on my website?

Yes. Download favicon.ico, place it in your website root, and add <link rel="icon" href="/favicon.ico" sizes="48x48"> to your page head.