NL-T11 / Official guide

Password breach check

Explicitly check a hash prefix with Have I Been Pwned.

Only after you click, five hash-prefix characters are sent directly to Have I Been Pwned. Your password and full hash stay here.

Limits and interpretation

Observation is not a safety verdict.

No tool query history is recorded by IsThisMyIP. Local tools process inputs only in this page.

Frequently asked questions

Does IsThisMyIP save my input?

No tool query history is recorded by IsThisMyIP. Local tools process inputs only in this page.

Only after you click, five hash-prefix characters are sent directly to Have I Been Pwned. Your password and full hash stay here.

Can this tool guarantee safety?

No. Results have limits. Read the explanation and verify important decisions independently.