Membrane keyboards are among the most common and affordable input devices used in computers, laptops, and office environments. Unlike mechanical keyboards, which use individual switches for each key, membrane keyboards rely on a thin, flexible membrane layer that completes an electrical circuit when a key is pressed. This design makes them quieter, lighter, and more compact, offering a soft typing experience with minimal tactile feedback. Their construction allows for spill resistance in some models and keeps production costs low, which makes them the go-to choice for budget keyboards and built-in laptop keyboards. However, membrane keyboards have a shorter lifespan compared to mechanical ones, typically rated for 5–10 million keystrokes. They also lack the customization options that mechanical keyboards offer, such as switch replacement or keycap variety. Despite this, they remain highly popular for casual users, office workers, and students due to their lightweight design, affordability, and ease of use. They are available in both wired and wireless models, making them versatile for desktops, laptops, and mobile devices. Membrane keyboards continue to dominate the market as a practical, low-cost solution for everyday typing needs.