Every file extension connected to a video file type is allowed.

Anything related to Malware/Viruses, Spam, Child Pornography, anything malicious or with malicious intent (i.e. private documents or revenge porn).
You'll be instantly banned and everything you uploaded to our servers will be deleted.

Yes, your files are kept forever (if you don't delete them)

No, videos are not compressed, you get what you upload.

Feel free to open a ticket on SimpCity forums or post in the support thread.

Yes, you can. Although we don't have a ready to go JS plugins for all use cases, we can give you an example how things work here: Plugin info