A Tiktok QR code helps you get people to find your profile on the app. And makes them free from the task of manually locating which profile is yours. This unique QR Code in every TikTok users' account is known as the TikCode.
Having a Tiktok Tikcodes allow you to create content that they would not otherwise be able to make as easily on their own. It also gives you a framework you can play or create within. For example, the TikTok app gives people tools like filters, control over video speed, access to professional audio and more.