Cut Video App is a free tool to trim / cut mp4 and other video files.

Features:

1. Trim a video file such as mp4.
2. Support input video formats including mp4, wmv, mov.
3. Support output video formats including mp4 (h.264) and wmv (vc-1).
4. Able to keep the size of the original video, or resize it to a standard profile such as 1080p, 720p, wvga, etc.
5. Able to preview the trimmed video before extracting it.
6. Easy to use. Free.