For video overlays check https://www.fiverr.com/4155875
1. The stroke will be of uniform width
2. You'll need to upload files, edit HTML
Help available. Check my Gig Extras.
No. It can only be used on your web page. If you want to overlay your signature animation on a video, please check this gig - https://www.fiverr.com/s2/ea27da4903
Yes, absolutely. However, please note that the animated signature on your web page will have uniform thickness.
No it's not. It's not like a regular image. And it is animated with the help of some code. All you need to do is copy-paste some code to your website. I provide a detailed guide and If you want I can help.