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What kind of preview are you thinking about?

Building a full video is fairly quick compared to traditional editing tools, so I haven't built any faster preview yet. I usually just build the whole thing and look at it, then tweak the script and build it again.

You can easily upload just the script file into an existing project and re-build the video as many times you like, then download the version you are happy with at the end.

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I was thinking about adjusting parameters like: background music volume, segment length, pauses, etc.

I'll give it a try, perhaps its so fast that previews aren't really necessary.

I also think this could be an amazing tool for personalizing video marketing too

I'm planning to build a visual interface that would allow users to preview individual scenes. Meanwhile, if the main video build is too long because you have lots of scenes and want to check out how one would look with different parameters, just create a different script file with that scene only and build it. that's the beauty of text file editing, you can easily copy and paste and experiment.

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