Methods and apparatus provide for a self-enclosed timeline trimmer to create a circular timeline placed over a video that graphically represents the entire duration of a video. The self-enclosed timeline trimmer generates a self-enclosed timeline to represent a duration of the video incremented according to a first unit of time. The self-enclosed timeline is layered over at least a portion of the video. The self-enclosed timeline trimmer represents a start of the video on the self-enclosed timeline and an end of the video on the self-enclosed timeline. The self-enclosed timeline trimmer displays the duration of the video in its entirety by connecting the start and the end of the video on the self-enclosed timeline. Further, the self-enclosed timeline trimmer is well suited for video editing on mobile computer devices, wireless computer devices, and for portable computer devices.