How-to guides
Step-by-step guides about IP addresses, VPNs and online privacy.
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DNS Leak Test: What a DNS Leak Is and How to Fix It
Run a free DNS leak test, learn what the results mean, and fix DNS leaks on Windows, macOS, Android, iPhone and in your browser.
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How to Change Your IP Address on iPhone and Android (6 Ways, 2026)
Step-by-step ways to change your public or local IP address on iPhone and Android: VPN, iCloud Private Relay, mobile data, airplane mode, router restart and static IP settings, with what each one actually hides.
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How to Check If Your VPN Is Working: A 7-Step Test (2026)
A free, step-by-step way to confirm your VPN actually hides you: compare your IP before and after, then test for DNS, WebRTC and IPv6 leaks, check the kill switch, and fix common problems.
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How to Hide Your IP Address: 6 Methods Compared (2026 Guide)
Six real ways to hide your IP address — VPN, Tor, proxy, iCloud Private Relay, mobile data and public Wi-Fi — what each hides, what it doesn't, and step-by-step setup.
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IPv6 Leak Test: Is Your VPN Leaking Your IPv6 Address?
Check whether your IPv6 address is visible while on a VPN, why IPv6 leaks happen, and how to fix them on Windows, macOS, Android, iPhone and routers.
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Is an IP Address Personal Data Under GDPR? (Plain-English Guide)
Yes, in most cases. What the GDPR, Recital 30 and the CJEU's Breyer ruling say about IP addresses, what it means for websites, and your rights as an EU resident.
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Is Public Wi-Fi Safe? A Practical Checklist for Cafés, Hotels and Airports
What the real risks of public Wi-Fi are in 2026, what HTTPS already protects, and a 10-step checklist for staying safe on café, hotel, train and airport networks.
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Proxy vs VPN: What's the Difference, and Which Do You Need?
Proxy vs VPN in plain English: how each works, what they hide, encryption, speed, cost and risks, including SOCKS5, HTTPS and residential proxies, browser 'VPN' extensions, Smart DNS and iCloud Private Relay.
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Tor vs VPN: Which Hides You Better, and Should You Use Both?
Tor vs VPN explained: how each hides your IP, who you have to trust, speed, what your ISP sees, when to use which, and the truth about combining them (Tor over VPN, Onion Over VPN). Plain English, with sources.
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WebRTC Leak Test: Check if Your Browser Exposes Your Real IP
Free WebRTC leak test. Learn why WebRTC can expose your real IP address even on a VPN, and how to fix it in Chrome, Firefox, Edge, Safari and Brave.
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What Can Someone Do With Your IP Address? (Realistic Risks, No Scare Stories)
What a stranger, a website, your provider or the police can actually do with your IP address — and what they can't — plus simple steps to reduce the risk.
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What Is an IP Address? Public vs Private, IPv4 vs IPv6, Static vs Dynamic
A clear explanation of IP addresses: what they are, public vs private, IPv4 vs IPv6, static vs dynamic, how to find yours on any device, and how to keep it private.