Change Favicon Magento 2 - Favicon is short for “favorite icon”, and refers to the little icon on the tab of each browser page. Depending on the browser, the favicon also appears in the address bar, just before the URL. Favicons are generally 16 x 16 pixels or 32 x 32 pixels in size. Magento accepts ICO, PNG, JPG, and SVG file types, although not all browsers support these formats. The most widely supported file format to use for a favicon is ICO. There are many free tools available online that you can use to generate an ICO image or convert an exiting image to the format.
You can change Favicon in Magento 2 by the following steps:
* Click on Choose File. Then, find the favicon file that you prepared. * If you want to delete the current favicon, mark the Delete Image checkbox.
Ref: Magento 2 User Guide
It comes to the end of tutorial: How to Change Favicon in Magento 2.
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