Guides
Plain, practical answers to the questions people actually ask about VPNs, privacy and access. No jargon, no sales pitch — just how the thing works and where it stops helping.
What is a VPN
A VPN (virtual private network) builds an encrypted tunnel between your device and a remote server, and your traffic exits to the internet from that server. Your internet provider stops seeing which sites you visit, and websites see the server's IP address instead of yours. It is a privacy tool, not an invisibility cloak.
Choosing a VPN
Choosing a VPN comes down to a few verifiable facts: what the logging policy actually says, where the company is incorporated, which protocols it runs, whether it owns its servers, and what renewal really costs. Marketing claims like "military-grade encryption" carry no information — every serious VPN uses the same algorithms.
VPN vs proxy
A VPN encrypts all traffic from your device and routes it through a remote server at the operating-system level. A proxy relays traffic for one application — usually a browser — and most proxies add no encryption of their own. Both change your visible IP address; only a VPN protects the connection itself.
VPN vs Tor
A VPN routes all your traffic through one encrypted server you chose and trust — fast enough for everyday use. Tor bounces traffic through three volunteer relays with layered encryption, so no single relay knows both who you are and where you are going. Tor trades most of your speed for that property.
Free VPN risks
A VPN service pays real money for servers, bandwidth and staff. When the app is free and has no visible income, that money usually comes from you in another form: your browsing data, injected ads, or your device being resold as an exit point for other people's traffic.
Is VPN legal
In most countries, yes: using a VPN is legal and completely ordinary. Businesses run on VPN connections every day. A minority of countries restrict or license VPN services, and those rules change, so check current local regulation where you live or travel. And a legal tool never legalizes illegal actions done through it.
VPN and speed
Yes, a VPN adds some overhead, but how much depends almost entirely on distance and server quality. Through a nearby, uncrowded server on a modern protocol like WireGuard, the loss is often barely noticeable. Through a distant or overloaded server, latency climbs and throughput drops visibly. Sometimes a VPN is even faster.
Public Wi-Fi safety
The classic scare story — someone in a café stealing your password out of the air — is mostly obsolete, because HTTPS already encrypts the content of nearly all your connections. What remains on public Wi-Fi is subtler: visible metadata like domain names, fake access points, captive portals, and other devices sharing the network with you.
Hide your IP
To hide your IP address, route your traffic through another server so websites see its address instead of yours. A VPN does this for everything on the device, a proxy for one app, and Tor for maximum obfuscation at the cost of speed. Hiding your IP changes what sites see, not who you are.
No logs explained
"No logs" almost never means a service records nothing. It usually means no activity logs: no record of the sites you visit or the data you transfer. Connection metadata, diagnostics, and payment records are separate categories, and every provider defines them differently. The privacy policy, not the slogan, tells you which ones are kept.
VPN protocols
A VPN protocol defines how your device and the server build an encrypted tunnel. WireGuard is the fastest and simplest, OpenVPN the most mature and flexible, IKEv2/IPsec the best at surviving network switches on mobile, and Xray/VLESS over TLS makes tunnel traffic look like ordinary HTTPS. Each trades something for its strength.
Kill switch and leaks
A kill switch blocks all internet traffic the moment a VPN tunnel drops, so apps cannot silently fall back to your regular connection. Without it, even a two-second disconnect exposes your real IP address. Even while the tunnel is up, DNS requests, WebRTC in the browser, and IPv6 traffic can leak around it. Each leak has a simple test and a fix.
VPN on a router
Putting the VPN tunnel on your router protects every device on the network at once — including TVs, consoles, and smart speakers that cannot install apps. The trade-offs are real: throughput is limited by the router's CPU, the whole house exits through one country, and troubleshooting gets harder. This guide explains the setups and how to decide.
VPN for travel
On the road, a VPN encrypts your traffic on hotel and airport Wi-Fi, keeps your accounts looking like they connect from a familiar country, and reaches services that behave differently abroad. It is not a cure-all: streaming platforms detect server addresses, and local rules vary by country. The one rule that matters most — set everything up and test it before you leave.