Can someone explain what are HTTP proxies and how they work? or What are HTTP proxies and why would I

Wow, didn’t expect so many replies! Thanks y’all.

So proxies are like… multitools for the web? Privacy, geo-stuff, sneaky biz—got it.

Gonna try that ipleak.net test first before jumping in. Any tips for a total newbie picking a paid one? Leaning toward NordVPN now.