checkpwn

CLI tool that checks whether your passwords or email have appeared in a known data breach.

Desktopfreeglobal

checkpwn is a free, open-source command-line tool that checks the Have I Been Pwned database to see whether a password or email address has appeared in a known data breach. It's aimed at privacy-conscious users who want to check for compromised credentials without leaving the terminal.

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Behind the summary, Matchbox keeps a richer profile of checkpwn - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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