A proxy server is just someone else’s computer between you and the rest of the internet. Other sites see this computer’s IP address instead of yours.
“Free” proxies are extremely dangerous because they force you to surrender control of your internet traffic to someone who probably has an ulterior motive for providing this “service.” A test of over 20,000 proxy services found nearly all of them to inject some form of malware.
ExpressVPN creates a secure tunnel between you and the rest of the internet. This also hides your IP address, but with the added benefits of best-in-class encryption, no activity or connection logs, native apps for all your devices, and a commitment to protect your privacy.
Read more about the dangers of free proxy servers.