You can create a one for your website;
2. Resize the picture of your logo to be 100x1oo pixels.
1. Go to www.favicongenerator.com.
3. Pick the picture of your logo by clicking on "Browse".
4. Upload the generated file to your root folder of your website.
5. Add this code
<link rel="shortcut icon" href="/favicon.ico">in the head section of all your web pages. That is it.