Short answer: Don't do it (unless you really have to). The process you are looking for is called 'upscaling'. In its simplest form, every pixel in the video will be (almost) doubled or stretched and the resulting video will look like 1080p. Photo Dress Change Software Free Download. The problem with this approach is that it doesn't look any different from a full screen option in any normal video player. Retail Management Software Free Download Full Version. Free Download Excel To Pdf Converter Software Full Version here. What you can do: So if you take a video and upscale it with a very basic algorithm, and then re-encode it, the quality will be worse than before. As @boehj mentioned in the comments, you will always lose a certain amount of quality when you take an already encoded video and encode it again. Even if you upscale it and encode it with a lossless encoder, this will result in huge files – but in no noticeable difference from the full screen version.