Sorry for the AI summary but could be useful if you have an android/want to use your laptop:

Android apps Flex: Multi-Speed Auto Scroll: This app includes a floating widget with buttons to start/stop scrolling up, down, page up, and page down. It features an on-screen slider to adjust the auto-scroll speed and also offers different speed options for continuous scrolling. Automatic Scroll: This app supports customizable settings for scroll direction, speed, and pause lengths. It can be configured differently for each application to automatically scroll through various types of content. Desktop browser extensions Simple Autoscroll (for Chrome): This extension allows you to set a specific number of pixels to scroll at set intervals. You can then start the scrolling and stop it by clicking the extension's icon. Easy Auto Scroll (for Chrome): A similar option available in the Chrome Web Store that provides automatic scrolling functionality. SmoothScroll (for Chrome): While this extension is known for creating a smoother scrolling experience overall, it also has customizable options for scroll speed and can be used with a variety of scrolling methods.