Changing the shape of your forehead or chin are two different and drastic cosmetic procedures. It is best to see a doctor in person for a consultation.
Unfortunately its difficult to give you an opinion with only one photo taken from the front, but forehead reduction surgery and chin surgery are commonly performed procedures when indicated. Lateral views are very important for determining whether hairline surgery and chin surgery should be peformed. We start with facial thirds measurements, but there are other factors involved in making the decision to perform a hairline lowering procedure. You should consider a consultation to review this.
These are very personal decision. For the chin you need to see a plastic surgeon, for the forehead your can have two types of surgery listed in the video below