PSPDFKit for Web comes with a responsive UI that works on all screen sizes. The UI adapts to the screen automatically, providing you with a seamless experience. It provides all the same features on desktop, tablet, and mobile views.
If you want to customize the main toolbar and add your elements, you can use responsive groups to ensure the custom toolbar is just as responsive as the built-in toolbar.
PSPDFKit supports device-specific gestures, like pinch to zoom on mobile devices. You can also use various styluses on tablets to interact with PSPDFKit for Web.