High-quality images are essential for a modern website, but they often come with a hefty file size that can slow down your page load speed. This is where image optimization comes in. Mastering the art of compression and conversion is key to balancing quality and performance. In this guide, we break down the difference between lossless and lossy compression and explain when to use formats like JPEG, PNG, and WebP. We will also review a suite of powerful tools, from online converters to WordPress plugins, that can automate this process for you. Learn how to effectively reduce file sizes without sacrificing visual appeal, ensuring a better user experience and improved SEO.