Canva is a free online graphic design platform that allows users to create visual content such as social media posts, documents, and marketing materials. Users can sign up using their Facebook, Google, or email accounts. The platform provides hundreds of design layouts and templates that users can customize with text, images, shapes, icons and other elements. Users can also upload their own images or search for images within Canva. Once a design is complete, it can be shared on social media or downloaded in various file formats.