Poster design is one of the most popular advertising tools used in the world of marketing. Be it movies, restaurant, schools or houses, poster design works very well in marketing. In fact, poster design is the most powerful source to build a new product launch campaign or brand campaign. Poster design typically includes an attractive image that can stun the users and a slogan or a copy that can say all about the campaign. Posters are also used to spread awareness on environmental issues and less known factors across fields to audience. Posters should include high quality images and designs to impress the audience. Poster designs are applicable both online and offline. Printed posters are used across industries for advertising a product or a motive and also for spreading awareness. Movie posters are the best examples here. Also health related and environment related subjects are spread through poster designs. In print poster designs, the quality of paper or foil plays an important role. Similarly, poster designs are also used during online campaigns. Poster designs can be used in parent websites and other websites as well to launch a campaign. Designers can be very creative while creating poster designs. From color patterns to image and from typography to pixel clarity, a lot of things play a major role in poster designing. Here is a list of 25 cool ideas of poster designs that will help you get better insights on poster designs and its uses.