Topics / Online security
🔐 Online security: VPNs, password managers, antivirus & tools
One strong password per account, a password manager and a trustworthy VPN on public Wi-Fi cover the most common risks. Here are our comparisons, based on published audits and Trustpilot reviews, and free tools that run entirely in your browser.
Calculators & tools
Password generator: strong & randomGenerate strong random passwords instantly: choose length, upper/lowercase, numbers and symbols, exclude look-alike characters, create up …Password strength checkerTest how strong your password is: length, character types, entropy, common patterns and the estimated time to crack it – checked locally in …Hash generator: MD5, SHA-1, SHA-256, SHA-512Calculate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text or file in your browser, and compare a file against a published …UUID / GUID generatorGenerate random version-4 UUIDs (GUIDs) instantly using your browser's cryptographic generator – up to 1,000 at once, uppercase or …Webcam testTest your webcam online: live preview, camera name, resolution and frame rate, switch between cameras and take a snapshot. Free, nothing is …Microphone testTest your microphone online: live input level, choose between microphones, see the device name and record 5 seconds to hear yourself. Free, …IBAN checker: is this IBAN valid?Check whether an IBAN is valid: country code, length and check digits (ISO 13616 / MOD 97). Shows the formatted IBAN and, for German IBANs, …VAT ID format checker (EU)Check whether a VAT identification number has the correct format for its EU country (plus Switzerland, UK and Northern Ireland) and, for …
Comparisons
NordVPN vs Surfshark (2026): Which Is Better?NordVPN or Surfshark? We compare scores, key facts, pros and cons and Trustpilot reviews to help you choose the right VPN.NordVPN vs Proton VPN (2026): Which Is Better?NordVPN or Proton VPN? We compare scores, key facts, pros and cons and Trustpilot reviews to help you choose the right VPN.Bitwarden vs 1Password (2026): Which Is Better?Bitwarden or 1Password? We compare scores, key facts, pros and cons and Trustpilot reviews to help you choose the right Password managers.1Password vs NordPass (2026): Which Is Better?1Password or NordPass? We compare scores, key facts, pros and cons and Trustpilot reviews to help you choose the right Password managers.The Best Free VPNs in 2026Best Free VPNs: 2 free options we trust, with the exact free-plan limits, pros and cons and when it's worth upgrading.The Best Free Password Managers in 2026Best Free Password Managers: 4 free options we trust, with the exact free-plan limits, pros and cons and when it's worth upgrading.European Alternatives to US Software (2026): GDPR-Friendly PicksPrefer providers based in the EU or Switzerland? Our picks for VPN, password managers, cloud storage and email marketing – with company …
Guides
VPN statistics 2026: usage, audits and factsHow many people use a VPN, why, and which providers have independent no-logs audits? Key VPN numbers for 2026 – each with its source.eSIM statistics 2026: adoption, devices and roamingHow widespread is eSIM, how many devices support it and what applies to EU roaming? Key eSIM numbers for 2026, with sources.How to Choose a VPN in 2026: 7 Checks Before You PayA practical 7-step checklist for choosing a VPN: audits, jurisdiction, devices, speed, refunds and free plans – with our picks.How to Switch from LastPass to a Safer Password Manager (2026)Step-by-step: export your LastPass vault, import it into a new password manager, then clean up and change your most important passwords.Travel eSIM Explained: How It Works and How to Choose One (2026)What a travel eSIM is, how to check if your phone supports it, how to install it and how to pick the right plan – plus our eSIM picks.How to Cut Your Software Subscription Costs in 2026 (Without Losing Features)7 practical ways to spend less on VPN, cloud storage, antivirus, password managers and business software – free plans that are really …