Free privacy tool

Has your password been hacked?

Run a free password leak check to see if your password has appeared in a known data breach. Your password never leaves your browser - we use k-anonymity to protect you.

Your password never leaves your browser. Only an anonymized fragment is checked.

Also check whether your email has been leaked or hacked in a data breach.

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password never leaves your browser
Free
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k-anonymity
only a hash fragment is sent
Billions
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Understand password leaks

Why a leaked password is a big deal

A breached password is one of the most common ways accounts get taken over. Here is what it means, why it spreads, and exactly what to do about it.

What does a leaked password mean?

It means that exact password showed up in a real data breach and is now on lists criminals buy and trade. Once a password leaks, it cannot be un-leaked - it has to be changed everywhere you used it.

What is credential stuffing?

Attackers take leaked email-and-password pairs and try them automatically across thousands of sites. Because so many people reuse passwords, one leak can unlock banking, email, and shopping accounts in minutes.

How this check stays private

Your password is hashed on your device and only the first five characters of that hash are ever sent (k-anonymity). The breach service never sees your password or full hash, so checking is completely safe.

What to do if it is breached

Change the password everywhere, make each one unique, and turn on two-factor authentication. Use a password manager so strong, unique passwords are effortless - and check what else leaked alongside it.

A leaked password is rarely the only thing exposed

The same breaches leak emails, addresses, and phone numbers, and data brokers republish it all. Run the free email & dark web exposure check, read what to do after a data breach, or browse our free removal guides.

FAQ

Password leak & breach questions

Is it safe to type my password here?

Yes. Your password never leaves your browser. We hash it on your device and send only the first five characters of that hash to the breach database - a technique called k-anonymity. The service can never see your actual password or even the full hash, so it cannot be reconstructed.

How does this password breach check work?

When you type a password, your browser creates a SHA-1 hash of it and sends just the first five characters to the Pwned Passwords range API. The API returns every leaked hash starting with those five characters, and the match is checked locally in your browser. Your full password and full hash stay on your device.

What does it mean if my password has been "pwned" or leaked?

It means that exact password has appeared in one or more known data breaches and is now on public or for-sale lists that criminals use. Attackers try leaked passwords automatically against other sites (called credential stuffing), so any account using that password - or a similar one - is at risk.

What should I do if my password was found in a breach?

Stop using it immediately. Change it on every site where you used it, make each new password unique, and turn on two-factor authentication wherever possible. A password manager makes unique passwords effortless. A leaked password should be treated as permanently compromised.

Do you store the passwords I check?

No. Nothing is stored, logged, or sent to our servers. The check happens entirely in your browser against a public breach database, and the password is discarded the moment you close the page.

Where does the breach data come from?

From Have I Been Pwned, the widely trusted breach database maintained by security researcher Troy Hunt. It aggregates hundreds of real-world breaches covering billions of leaked credentials.

My password was not found - does that mean I am safe?

It is a good sign, but not a guarantee. It only means this specific password has not turned up in a known, published breach yet. You should still use a unique password per site and enable two-factor authentication - and check whether your email and personal details have leaked too.

How is a leaked password connected to data brokers?

The same breaches that leak passwords usually also leak names, addresses, phone numbers, and card data - and data brokers republish that personal information on people-search sites. Changing a password closes one door; removing your information from data brokers (what Veilora does) closes the rest.

Lock down everything that leaked.

Veilora removes your personal information from 70+ data brokers with verified proof, monitors the dark web for new breaches, and warns you before you overshare - all run by a real person.