Right-click the clip ’s preview in Premiere and select “ Scale to Frame Size” in the popup menu. Let's see how can we change the size of the 4K frames down to FullHD in different applications: We want to use that 4K clip in the FullHD project. We assume that we have a 4K clip and our project is based on FullHD frame size.
It considers the case of going from 4K to FullHD as an example, but you can easily generalize that for other frame sizes. We have also prepared a little cheat sheet describing the ways you can downsize a video and speed up the render in different applications. The results confirm that a little bit of hustle may be worth it when you want the final result to be in a lower resolution anyway. Specifically, we have tested the case of rendering in the native 4K resolution vs rendering in the FullHD resolution (the resolution is reduced from 4K to FullHD during rendering and then effects are applied to FullHD frames instead of 4K frames). We have run a few quick tests in several popular video editing applications to check the times they take to export a test clip when rendering it in different resolutions. You can also check the size of the frames actually provided by the host application to Neat Video using the frame size indicator displayed at the bottom of the Neat Video window. When you can control that, you can change things in your favour. Most video editing applications offer some control over the size of the frames they work within their render pipeline and therefore over the size of the frames they send to video effects like Neat Video. So if you can make sure that Neat Video is applied after the frame size is reduced, then you can achieve higher render speed. Whatever the reason is, the size reduction itself can help to speed up the render process because applying Neat Video to smaller frames is always faster than to larger frames. There may be many other reasons why you might want or have to bring the frame size down. In some cases, you need to downsize a clip in the edit, for example, when you want to bring a larger clip to a smaller-resolution project or when you need to crop a part of the larger frame. So it may be sufficient to upload a lower-resolution version. When you upload a high-resolution content to such a platform, the video typically gets heavily transformed by the platform’s video codecs and sometimes gets downsized. For example, large frame formats are not often used in online video platforms.
However, you do not always need to produce the final video in the same high resolution.
Many modern cameras are capable of recording video in high resolutions, such as 4K and higher. Filming in 4K, 6K, or even in 8K, but exporting in a lower resolution and waiting a looooong time for the render to complete? The good news is you can dramatically decrease render times if the final resolution needs to be lower than the original one.
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