Amazing Mac Screen Recorder is a handy software which allows you to easliy record whatever you have displayed on your screen, including video playing on websites, video instructions, games, video streams, live chats, lectures, webinars, webcams, Skype calls, etc.
Key Features of Mac Screen Recoder:
Record your screen video to MP4 files in HD
HD MP4 output video format with small size
Record video with sound (from both the microphone and system)
Merge your captured screen videos into one file
Trim recorded videos by setting the start time and end time
macOS High Sierra (macOS 10.13), macOS 10.12 (Sierra), Mac OS X 10.11 (El Capitan), Mac OS X 10.10 (Yosemite), 10.9(Mavericks), 10.8 (Mountain Lion), 10.7 (Lion), 10.6 (Snow Leopard).