Hmm, that's very interesting, but the article is a little bit too long. You kept my focus the first part when you added pictures with details, but after this is only text and I don't understand that much.
I tried multiple times to upload a 1920x1080 video and export it as 1080 x 1920 for tik tok...but I couldn't do this, the last one was blocked at 75%, and it was an 30 seconds of 5 mb video.....
I really need this website if everything works well!