Besides trimming MP4 files, you can take this MP4 cutter to do more video editing work.
1: You can crop MP4 videos by clicking the "Crop" icon.
2: Merge several video clips as a single whole video. Join the videos without losing quality and learn more about how to combine videos here>>
3: Rotate the videos 90 degrees clockwise or 90 degrees counter-clockwise.
4: Add mirror effect to videos. You are able to flip the videos horizontally or vertically.
5: Add special effect to your MP4 or other videos, for example, highlight, darken, blur, sharpen, old film, etc.
6: Attach subtitles, add soundtracks to the video, and customize the video metadata...