Snow Overlay is a user-friendly online tool that allows you to transform your photos into enchanting winter scenes by adding snowflake effects. With just a few clicks, you can upload an image, apply a snow overlay, and download the enhanced photo for free. The service utilizes AI technology to ensure seamless integration of snow effects, allowing for customization while simplifying the editing process. Additionally, users can explore other weather effects like fog and rain, making it a versatile option for creating atmospheric images.