ICO Favicon Generator

Convert any image into a standard .ICO favicon file instantly in your browser.

Upload Image File (PNG, JPG, WebP):

Free Online ICO Converter & Favicon Generator

The .ICO format is the standard file format for website favicons — the small icons that appear in browser tabs, bookmarks, and address bars. This tool converts any PNG, JPG, or WebP image into a 32x32 pixel .ICO file that works with all modern browsers. Unlike server-based converters that upload your logo to remote servers, this tool processes everything locally using the HTML Canvas API. Your image is resized to the standard 32x32 favicon size and saved as an .ICO file ready to upload to your website root directory. The conversion takes milliseconds and requires no software installation or account creation.

How to Convert an Image to ICO Format

Click the upload area to select an image from your device, or drag and drop a file directly onto the field. Supported formats include PNG (with transparency), JPEG, and WebP. Once uploaded, click "Generate 32x32 .ICO File" and the tool resizes your image to the standard favicon dimensions using bicubic interpolation for smooth results. The .ICO file downloads automatically to your device. To use it on your website, upload the .ICO file to your server's root directory and reference it in your HTML with <link rel="icon" type="image/x-icon" href="/favicon.ico">. All major browsers including Chrome, Firefox, Safari, and Edge will display your custom favicon in tabs and bookmarks.

Why Use a 32x32 ICO Favicon?

The 32x32 pixel size is the standard favicon resolution supported by all modern web browsers. While 16x16 was the original standard, high-DPI displays (Retina, 4K) benefit from the larger 32x32 version which scales more cleanly. The .ICO format can contain multiple sizes in a single file, but a 32x32 image works perfectly as a standalone favicon in 2024 and beyond. Using a consistent favicon across your website reinforces brand recognition — visitors identify your site at a glance among dozens of open tabs. Since this tool runs entirely in your browser, your logo and branding images never leave your device, making it safe for confidential or unreleased designs.