These programs require you to open your video, usually by clicking "open" or "import." Then, exporting converts them to a new file type. Alternatively, you could send your video in a ZIP compressed file, but this will require your recipient to download it on their end. Most video editing programs, such as iMovie for Mac or Windows Video Editor for Windows, come with a built-in video compressor. This is when things start getting "pixely," "grainy," and generally not viewable. You'll only start to see compression wreak havoc on display quality if you want to shrink a file down to a tiny file size while maintaining resolution.
Think about how a Hollywood movie goes from cinema screen size to a DVD, playing on any home TV without lag. To the human eye, this loss is hardly noticeable. Video compression occurs by removing repetitive images and sounds as determined by the codec algorithm. Depending on the original size, this quality loss may not be noticeable, but that all depends on how small you need your video file size. However, it usually means overall quality takes a hit. Essentially, compressing your video cuts a chunk off the size needed by your file.
That means your video won't fit into your message, or your recipient can look forward to a lengthy download period on their end. Unfortunately, almost all file sharing methods, from email to instant messaging, have file size limits. Video compression is a way of shrinking your video file size. Compressing your videos solves this problem. Sharing high-quality videos between teams and clients can be frustrating since video files size are bulky at the best of times. Technology is a wonderful thing, but there are still some things that can make even the most tech-savvy person get a little anxious.
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