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  • What is your "front-end" and "back-end"? How are they connected? How much data arrive in your system over time? Are they sensitive w.r.t. disclosure? Or integrity? What is your pre-existing reasoning? What operations does the conversion require and how many? What are the nun-functional requirements on your application? Those are just some of the questions that we'd need answered in order to help you. Commented Nov 5, 2019 at 14:52
  • A premise to keep in mind is that servers must serve. One thread working on transformations is a thread not attending other requests, hence not serving. Performing hundreds or thousands of transformations on the server-side are more expensive than on hundred or thousands on the client-side. Not only in terms of resources, in terms of opportunity costs too. Commented Nov 5, 2019 at 15:24
  • @Laiv: I agree, but there is a footnote here where proprietary calculations or security-related logic should not be exposed to clients, as it gives them access to things you want the server to specifically not leak. It's contextual whether offloading to the client is appropriate or not. But your comment is spot on in cases where there is no issue with leaking the logic to the consumer. Commented Nov 5, 2019 at 16:35
  • While I somewhat agree with the close vote that this answer is too broad for its own good, I don't think it warrants closing. I think the correct answer here (narrowing down the development requirements to find the appropriate answer) is a valid answer to the question, and the question is bound to come up again for other users so an explicit answer (on how to approach this) is better than a closure with no answer. Commented Nov 5, 2019 at 16:40
  • Can someone please provide me with a resource or a link on the security aspect of this ? A term to seach for maybe or a scenario's name, where "propertiary calculation or security related logic" is exposed to clients? Commented Nov 5, 2019 at 17:52