I am now on day 3 that the videos simply won't upload on Etsy! They do on my website. I tried everything I know to do. Under 15 seconds, cleared cookies, contacted both my internet company and Etsy. Nothing works!
How to Add a Listing Video – Etsy Help
Make sure the video is at least 1080 pixels.
I've been able to upload videos.
Possibly it is your computer that is the issue. How old is it? What is the OS? What about your graphics card? Do you need to delete photos, videos, etc to create room? Since you have exhausted other possibilities, I would suggest focusing on your computer. One way I knew one of my computers years back was getting ready to give me grief was Etsy. Only place I had trouble. Then one day the infamous black screen that said the hard drive had died.
Access denied >_<