HTTP webpage served on HTTPS Page

I have one issue: On the website I'm having, I need to get data from another website. My website is in HTTPS, but the website I need to get data from is HTTP only. I can't use iFrames or similar since when I get data (using get request), I need to parse it and do something based on the parse.

Is there anything I can do regarding this? I was thinking of some kind of website, that would read data from HTTP website and then deliver it to me using HTTPS. Is there such a thing? What is the alternative?

Thank you in advance!

EDIT: I can't use the backend to get that data, needs to be frontend only solution.