>>dsr12+(OP)
Really weird that nobody in the thread is pointing out that this is basically a website that says "give me your photos, specifically from protests, which have details that you want to keep private".
It doesn't matter that it theoretically all happen in the browser. You can serve different versions to different IPs etc. Every heuristic in me would be screaming don't use that if I would have a need for such tool.
>>comboy+iO
It's a simple static site with no server involved. Everything happens client side. You could turn off your internet while you're using it if you wanted to make sure no data is exposed.