Learn advanced techniques for manually resizing and sharpening images in Photoshop to optimize their appearance on various web platforms like Instagram, Facebook, email, and blogs. Discover step-by-step methods to enhance image quality for online sharing in this 16-minute tutorial, which serves as part 2 of a comprehensive web sharpening series. For a quicker solution, explore the free web sharpening script introduced in part 1 of the series, available through the provided link.