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FAQs

Advanced Editing Tips for windows: Why the video is lagged during editing on timeline?

Why the video is lagged during editing on timeline?

It is caused by the lack of the decoding efficiency. Regardless of what editing you made, such as split a video, to show you the prompt result in preview window, our program has to render it first. But if too many or too big files are loaded and use up all system RAM, since the timeline engine is not efficient enough, so the non-synced problem occurred. But generally the output quality will not be affected. Please just try to export your file, and then you could check the output quality.

And with the new version, you also can pre-render the video to make the editing smooth.

Here is the guidance show you how to use this feature.

https://filmora.wondershare.com/guide/editing-video.html#render

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