Adding a small watermark on your every video can help in promoting your brand. Just like this... Also it helps in distinguishing your original video from a copied video. Watermarks are not available for downloaded videos . You can also add a subscribe button. If someone hover his/her mouse over that, they get a direct link to subscribe your channel. YouTube gives a feature to their creators so that they can add watermark easily. Just keep in mind - 1. Your videos shouldn't be for 18+ 2. Image size should be a square that is 1:1 ratio. 3. Image should be of.png or .jpg format. There are plenty of applications in the app market that can help in making your suitable icon. First go to your creator studio . Then in your below - left corner you could see a small settings icon. Click on it and then click on channels. Choose branding. After scrolling down, you could see option of Choose Image. Click on it and then choos...