---
title: "VPN explainers | Tunnel Verdict"
description: "What a VPN does and does not do, in plain terms: IP addresses, leaks, protocols, battery and public Wi-Fi."
url: "https://tunnelverdict.com/blog/explainers/"
lang: "en"
image: "https://tunnelverdict.com/og/blog.jpg"
alternates:
  es: "https://tunnelverdict.com/es/blog/explicaciones.md"
---

VPN reviews, comparisons and guides

# VPN explainers

What a VPN does and does not do, in plain terms: IP addresses, leaks, protocols, battery and public Wi-Fi.

Explainer

## [VPN Laws by State: Age Verification and What Is Legal](https://tunnelverdict.com/blog/vpn-laws-by-state/)

Learn which states have banned vpns, how age verification laws affect access, what Utah changed, and what VPN use means for Netflix and privacy.

Explainer

## [What a VPN Kill Switch Does and How to Turn It On](https://tunnelverdict.com/blog/vpn-kill-switch/)

Learn what a VPN kill switch does, how to turn it on by device, why internet stops, what plans cost, and how to test its limits safely.

Explainer

## [VPN vs Proxy: What Each One Does and Which You Need](https://tunnelverdict.com/blog/vpn-vs-proxy/)

Compare VPN vs proxy coverage, encryption, setup, Netflix limits and Proton VPN pricing so you can choose the right option for your device.

Explainer

## [Is a Free VPN Safe? What Free Plans Give You](https://tunnelverdict.com/blog/is-a-free-vpn-safe/)

Is a free VPN safe? Compare Proton and Windscribe plans, privacy evidence, limits, setup choices, costs and what to check before installing.

Explainer

## [VPN Free Trials: Which Ones Exist and How They Work](https://tunnelverdict.com/blog/vpn-free-trials/)

Compare VPN free trial options, device rules, first charges, renewals and cancellations so you can choose and test the right plan.

Explainer

## [Can a VPN Be Tracked](https://tunnelverdict.com/blog/can-a-vpn-be-tracked/)

Can a VPN be tracked? Learn what your ISP, websites, VPN providers, and investigators can see, plus setup, leak checks, prices, and renewals.