FitPlan builds you a science-based diet and daily routine plan instantly — no signup, no AI, no fluff. Enter your age, weight, height, activity level, and goal. FitPlan calculates your exact calorie and protein targets using the Mifflin-St Jeor formula, generates a full meal plan with real foods, and builds an hour-by-hour daily schedule around your actual wake/sleep times. 100% free. Works in your browser. No account needed.