I should structure the guide in sections: Understanding the Problem, Tools and Software, Step-by-Step Enhancements, Advanced Techniques, and Tips for Best Results. Each section with subsections.
Need to check if there's a difference between improving a JPG file's quality and converting it to a better format. But since the user asked for "jpg better," probably stick to enhancing while keeping as JPG, though converting to PNG might be an intermediate step. ajb09750 request jpg better
Reducing compression artifacts is another key point. High compression in JPEGs can cause blocky areas, so using tools to reduce noise or sharpen might help. Maybe suggest using noise reduction features in software or using a tool like Topaz Gigapixel AI if the image needs upscaling without losing quality. I should structure the guide in sections: Understanding