VPN behavior can vary by operating system, browser, DNS settings, network design and protocol choice. A quick before-and-after test helps verify your real setup instead of relying on assumptions.

Run a baseline check before connecting to a VPN.
Connect your VPN and rerun the same checks.
Compare IP, IPv6 and browser-network exposure signals.

Additional privacy utilities

Runs locally or on this site
Password Generator
On-device generation. We never store or transmit the result.
Open tool
Runs locally or on this site
Password Strength Checker
Runs locally. Estimates are approximate and do not query breach databases.
Open tool
Runs locally or on this site
Passphrase Generator
On-device diceware-style phrases from a bundled English list.
Open tool
Runs locally or on this site
User-Agent and Browser Information
Shows navigator data only. User-agent strings can be reduced or spoofed.
Open tool
Limited test
VPN Connection Self-Test
Diagnostic checklist plus optional baseline comparison stored only in this browser.
Open tool
Runs locally or on this site
Public vs Private IP Explainer
Deterministic range classification. Invalid input is rejected.
Open tool
Runs locally or on this site
Strong Privacy Checklist Generator
Context checklists generated in the browser.
Open tool

10 tools are in the sitemap. Blocked tools are omitted on purpose.

Encrypt the hop, not just the check

DexterVPN apps: Windows 10/11, macOS 11+, Android phones and tablets, Android TV, Amazon Fire TV / Firestick. iOS is coming soon.

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