What tool can you use to optimize images in Dreamweaver?

The Image Optimizer tool is specifically designed to enhance images for web use within Adobe Dreamweaver. This tool allows users to adjust various parameters such as file format, quality, and file size to ensure that images maintain good visual quality while loading quickly on websites. The optimization process often involves reducing the file size without significantly sacrificing image fidelity, which is crucial for improving page loading times and overall user experience.

In contrast, the other options do not directly provide the specialized capabilities related to image optimization in Dreamweaver. The Image Compressor might imply a function of reducing file size, but it is not a dedicated tool within Dreamweaver for this purpose. CSS Styles are used for presentation and layout rather than for directly optimizing image files. The Built-in Image Editor also serves more as a way to make adjustments to images rather than specifically optimizing them for web use. Thus, the Image Optimizer stands out as the most appropriate tool for optimizing images in Dreamweaver.