How can I test a larger proxy file?
example 1GB, it doesn’t load in the program, is there any possibility?
How the heck did you even find that many proxies? Did you just generate IP ranges to check if they have a proxy server or not?
Anyways in this case maybe load it as a wordlist and check it with a config (e.g. 1 request block to example.com and 1 keycheck block to see if there is Example written on the page). Then take the hits and load them as proxies in the proxies tab.