Is there a VK community widget simulator?

Question

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I have problems with the Internet, I would like to create and edit the VK community widget offline, as if I were, for example, in the LiveWidget VK application.

My whole problem is that I cannot see how my stupid widget will look like without the Internet.
Tyk here, maybe there is already something somewhere that allows you to see this?
And if not, tell me which way to kick yourself in order to do it the easiest way?