Password Exposure Check by isa
See whether a password appears in known breach corpora. The password is hashed in the browser and only the first five characters of that hash are sent, so the service never learns which password you asked about.
Extension Metadata
Permissions and data
Required permissions:
- Access your data for api.pwnedpasswords.com
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 4.2.2
- Size
- 19.55 KB
- Last updated
- 5 days ago (Aug 23, 2026)
- Related Categories
- License
- The Unlicense
- Version History
- Add to collection