What Is a VPN? A Plain English Guide
A VPN encrypts your traffic and replaces your IP address. This plain English guide explains what that means, what it protects, and what it does not.
April 16, 2026
Plain English guides that explain what VPNs are and how they work.
15 guides in this topic. Listed in reading order, basics first.
A VPN encrypts your traffic and replaces your IP address. This plain English guide explains what that means, what it protects, and what it does not.
April 16, 2026
A VPN builds an encrypted tunnel between your device and a server, then forwards your traffic. Here is each piece explained in plain language.
April 24, 2026
A protocol is the rulebook your VPN follows to build its tunnel. Here is what modern protocols, OpenVPN, IKEv2, and the older options each do well.
May 04, 2026
A proxy forwards your traffic. A VPN forwards it and encrypts it. That one difference decides which tool you should reach for.
May 05, 2026
Tor routes your traffic through three volunteer relays. A VPN routes it through one company's server. Each design fits a different job.
May 06, 2026
Every device on the internet has an IP address, like a return address on mail. Here is how addresses work and what yours reveals.
May 07, 2026
The server is the other end of your VPN tunnel. Here is what it does with your traffic, why its location matters, and what makes one server better than another.
May 08, 2026
A VPN on your router covers every device in the house, including ones that cannot run VPN apps. Here is how it works and when it is worth the effort.
May 09, 2026
Encryption turns readable data into noise that only the right key can unlock. Here is how it works, in plain language, and where it protects you daily.
May 10, 2026
Split tunneling lets you choose which apps use the VPN and which connect directly. Here is how it works, where it helps, and how to use it without losing protection.
May 19, 2026
Hundreds of VPNs claim to be the best. This six step checklist helps you test privacy, security, speed, and pricing yourself, for any provider.
May 23, 2026
VPNs are legal in most of the world and limited in a small number of places. Here is the honest picture, country by country, with the one rule that never changes.
June 01, 2026
A trustworthy VPN is safe and useful. A careless or shady one can be worse than none. Here is how to tell the difference before you install anything.
June 02, 2026
A VPN protects your traffic on the network. Antivirus protects your device from malware. They do different jobs, and most people benefit from both.
June 03, 2026
Tunnels, handshakes, leaks, multi-hop: VPN jargon explained in short, plain English definitions you can actually use while comparing services.
June 06, 2026
What a VPN hides, what it does not, and how to protect your data.
Encryption, protocols, and safe habits for everyday browsing.
Speed, protocols, and tuning guides for faster VPN connections.
When a VPN helps for streaming, travel, work, and more, and where its limits are.
Or browse every guide in the learning hub.
Put these guides into practice. Start free on one device, no card needed.