Autocomplete is a feature commonly found in search engines and text input fields that predicts and suggests words or phrases as a user types. This technology helps users complete their queries more quickly by offering relevant options based on the initial letters or words entered. The suggestions provided by autocomplete are generated using algorithms that analyze previous searches, popular queries, and user behavior. This not only speeds up the typing process but also enhances the overall user experience by reducing errors and improving the accuracy of the input.