How would you enter long strings to roblox?

So I’m making a FNF chart system that you could enter your own chart json and I tried using textbox but it only allows up to 16384. Is there anyway to input long strings to the system?

you can store long strings but not display them, you can get around this in studio by printing in console, but as you can imagine that is strenuous. The easiest way to do this is to host a HTTP server using NodeJS and Express on your host machine and send a HTTP POST request containing the JSON information to it

Does NodeJS needs to be paid to run the server?

Nah, it is free and open source, you can run it with visual studio on your machine with no problem. I would not recommend linking your home machine to a domain,however, you might have to pay for server hosting services if you want that