Upload Image: Visit the Squoosh website and upload the image you want to optimize. Choose Compression Options: Select from various compression algorithms like MozJPEG, WebP, or OptiPNG based on your needs. Adjust Quality Settings: Use the slider to balance between image quality and file size. Squoosh provides a real-time preview to help you make the best decision. Download Optimized Image: Once satisfied, download the optimized image and use it in your email campaign.