How to check content (video, pictures, audio) for illegal use on instagram and facebook?

Question

Facebook

How to check content (video, pictures, audio) for illegal use in existing instagram and facebook accounts?

Answer 1

Elementary. If you have a license to release this content to the public, or if this content is in the public domain, then you have posted it legally. If not, then it's illegal.

Answer 2

your pictures or your account?
for the first one - https://www.pixsy.com/
but it doesn't work well with insta and FB