Virtual private networks, or VPNs, are a powerful tool that anyone who is concerned about their online privacy and security can use. It operates by connecting your device to a server, which then routes your data to the website you want to visit. This makes it much more difficult for hackers to access information, and can help to prevent snooping from the government or other agencies.

Free VPN services have many disadvantages, and you should be aware of before using them. These include inadequate security protocols, data caps and slow connection speeds. Furthermore, free vpn providers often make use of intrusive ads to earn money and could expose users to malware.

In certain instances VPN providers that are free keep records of your online activities and sell the information to third-party. This could compromise your personal information and privacy.

Free vpn services tend to limit the number of servers you can connect to. This can be problematic when you have to bypass geo restrictions. In addition, some countries consider VPNs illegal, so using a free service may land you in legal trouble.

Free VPN services typically have data limits that are designed to help users upgrade to the paid version. This can be very frustrating particularly if you use your VPN often. Your data plan could quickly run out. VPN connections can also consume more data and bandwidth than unprotected Internet connection since the data will be transferred through the VPN server.