| **Description** | Uses [haveibeenpwned.com](https://haveibeenpwned.com/) to check for hundreds of millions of compromised passwords. | Downloads a static database of common compromised passwords and checks your passwords against it | Downloads a static database of common compromised passwords and checks your passwords against it | This service combines the "Have i been pwned?" and "Big local database" services. |
| **Benefits** | Up-to-date, privacy friendly, large database | All checks done locally, allows custom dataset, can be used offline | All checks done locally, does not require much space, allows custom dataset, can be used offline | Up-to-date, privacy friendly, large database, allows custom dataset, can be used offline, less requests to HIBP for common passwords |
| **Downsides** | Requires online connection | Requires download & disk space, small compared to HIBP, rarely updated | Very small dataset, rarely updated | Requires download & Disk space |
| **Benefits** | Up-to-date, privacy friendly, large database | All checks done locally, [allows custom dataset, can be used offline](./Guides/Services/Generating-the-password-database), low ram friendly | All checks done locally, does not require much space or ram, [allows custom dataset, can be used offline](./Guides/Services/Generating-the-password-database) | Up-to-date, privacy friendly, large database, allows custom dataset, can be used offline, less requests to HIBP for common passwords |
| **Downsides** | Requires online connection | Requires download & disk space, only a subset of HIBP data, not up to date | Requires download & disk space, only a very small subset of HIBP data, not up to date | Requires download & Disk space |