Password Breach Checker
- Check password
- Checking…
- Show
- Hide
- Found in known data breaches
- This password has appeared {n} times in known breaches. Attackers try these first, so do not use it anywhere.
- Not found in known breaches
- This password was not found in the breach database. That does not make it strong: use a long, unique password for every account.
- What was sent: only the first 5 characters of the password's SHA-1 hash ({prefix}). The full password and hash never left your browser.
- The service returned {n} hash suffixes that share this prefix; the match was made in your browser.
- Type a password to check.
- Your browser cannot compute SHA-1 here. Open this page over HTTPS in a current browser.
- Could not reach the breach database. Check your connection and try again.
- Need a strong password?
- Open the Password Generator
About this tool
Find out whether a password has appeared in a public data breach, using the Have I Been Pwned password database. Your password is hashed in your browser and only the first 5 characters of the hash are sent (the k-anonymity method), so the service never sees your password.
Frequently asked questions
What is Password Breach Checker?
Check whether a password appears in known data breaches without sending it. It is one of the Security & Crypto tools on MyCodeTips.
How do I use Password Breach Checker?
Open the tool, enter or paste your input, and the result appears right away. Use the Copy button to copy it.
Is Password Breach Checker free to use?
Yes. It is free to use and does not need an account.
Is my data safe with Password Breach Checker?
The result is produced on our servers. We do not sell your data; see our privacy policy for details.
Can I share my result?
Yes. Use the share buttons below the tool to post a link or copy a link to the tool page.
Which tools are related to Password Breach Checker?
Password Generator, Password Strength Checker, Hash Generator (MD5, SHA-256).
- Send output to…
- Nothing to send yet.
- Received output from {tool}
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