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Tools

Each tool answers one everyday question. Free, no sign-in, and the result can be shared with a colleague.

Why do we make free tools?

We use these tools ourselves: they are how we check customers' connections, websites and email protection. Once the instrument exists, it is only natural to let others use it too. The tools show the situation right away, and the explanations say what the numbers mean and what is worth doing about them. If a finding needs a hand, you know where to find us.

All tools run on our own servers in the EU. They use no third-party analysis services, and the results stay with you. Your email address is asked only if you want the report in your inbox.

Is something missing?

More tools arrive as everyday questions pile up. If something should be checkable on your own, tell us.

Security moment

Well then. It said “don't press”, and you pressed anyway. 😉

No worries — curiosity is human. That's exactly what security attacks count on: the most tempting link is the one you're not supposed to open. While you're here, let's see whether you can tell a genuine message from a scam. You'll get four messages, and the clock is running.

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