Not to discourage the project (love the interface), but isn’t this far easier to do client side than to send it to a server all the time? If there is a js lib

Not to discourage the project (love the interface), but isn’t this far easier to do client side than to send it to a server all the time? If there is a js lib that makes use of canvas then I am ready to buy a license. Also do you provide advice on creating custom filters?