quickly cut a large video into small clips for mac os x
1. The Video Cutter for Mac is devided into Intel Version and PowerPC Version. Choose one version you need to download and install.
2. Choose "Add Files" to add videos you want to cut into the playlist:
3. Highlight the video you want to cut like the picture above and click 
panel. The trim window will pop up:
4. This window is very clear. The two triangles mean start and end point. You can drag them to reset the start time and end time to select the part you like. Click OK.
5. You can change the format or not and select output folder.
6. When everything is ready, click "Convert" and the Cutter will automatically cut out the segments you dislike.