Several creators have developed reliable height adjustments over the years:
: One of the most widely used mods, this version allows you to drag a Sim’s neck in the front view of CAS to change their height. It also includes four body presets (Short, Medium Short, Medium Tall, and Tall) for quick adjustments. Height Slider
Height slider mods for The Sims 4 are a popular way to break away from the game's uniform Sim heights, allowing for more realistic storytelling and visual variety. These mods allow you to adjust a Sim's stature directly in Create-A-Sim (CAS) using either manual sliders or presets. Popular Height Slider Mods Height Slider