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Have I Been Pwned vs pwned: catalog facts
Have I Been Pwned	pwned
Freemium Free breach and password checks; API access for breached accounts requires a subscription.	Free Free and open source under the MIT license.
Web	Command line
Search tens of billions of breached records by email Free Pwned Passwords check using a privacy-preserving range query	Checks account breaches and exposed passwords from the terminal Supports JSON output for scripts and pipelines
Breached-account API access requires a paid subscription Only covers breaches that have been loaded into the service	Some searches require a Have I Been Pwned API key Requires Node.js
Hosted service	Downloadable app
Closed source	Open source
License not stated	License: MIT
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.