Haveubeenflashed Work !!link!!

Breaches typically store email addresses as the primary identifier. Usernames (like your Reddit or Discord handle) are less reliable. If you type a username into and get "no results," that does not mean the tool is broken—it means that username was not in a public breach as an email field .

| Tool | Accuracy | Privacy Model | Best For | |------|----------|---------------|-----------| | | 99.9% | k-anonymity hash | General users | | Firefox Monitor | 99.9% | Uses HIBP API + Mozilla proxy | Firefox users | | DeHashed | 95% | Paid, full plaintext search (controversial) | Security researchers | | Google Password Checkup | 90% | Scans saved passwords in Chrome | Gmail/Chrome users | haveubeenflashed work