Junk food and processed products are full of carbs so cut down on your junk food intake if you are looking at reducing your calorie consumption
Avoid sugary foods and drinks such as pastries, carbonated drinks, etc. They increase your calorie intake significantly
Keeping a count on your calorie consumption helps you become aware and motivates you to reduce your calorie intake. There are many apps that help you count calories
Protein increases your metabolism which helps burn calories, thus include foods such as eggs, fish, broccoli, etc to your diet
Drinking plenty of water helps fill your stomach which in turn reduces your calorie intake. It also helps boost your metabolism