CRX id
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Description from extension meta
Monitor your email or domain for data breaches. Runs in the background. No account or spam.
Image from store
Description from store
Instantly check if your email or domain appears in known data breaches.
BreachMonitor alerts you silently when your info is exposed — with no signup, no tracking, and nothing stored in the cloud. Passive. Private. Powerful.
BreachMonitor checks your monitored addresses against real-world data leaks and breach reports.
Core Features:
Silent breach monitoring: No noise, no spam. Get alerts only if something’s wrong.
Input email(s) and domain(s): Choose what to track, set it, and forget it.
Hourly or daily background scans: Based on your plan.
Desktop notifications when a breach is detected.
Privacy-first: Data stays on your machine. No third-party trackers.
Free Plan Includes:
Monitor 1 email and 1 domain
Daily breach scans (every 24 hours)
Desktop breach alerts
Local-only storage (your data stays with you)
Pro Plan ($9.99) Unlocks:
Monitor unlimited emails and domains
Hourly scans (faster breach alerts)
Cloud sync across Chrome profiles (optional)
Exportable breach report
Priority scan queueing
Built on Have I Been Pwned’s trusted breach database.
No accounts. No bait. Just early warning.
Try it free with just a 30 second setup!