MailSentry — Email Tracking Detector
See who's watching your inbox.
A local-first Gmail privacy extension that highlights likely tracking pixels and suspicious email-page signals, explains the evidence, and keeps analysis on-device. Lifetime Pro adds local redirect/UTM tracking-link analysis, optional blocking, sender-domain statistics, and privacy reports.
Local-first, lifetime license
Highlight likely 1x1, hidden, transparent, and CSS/background tracking pixels
Explain high-confidence detection evidence
Surface suspicious embedded email-page signals
Show a current Gmail view summary
Allow trusted resource domains locally to reduce false positives
Keep email analysis entirely on the device
Local redirect-based tracking-link analysis, including UTM attribution parameters
Confirmation-gated, reversible Gmail-scoped tracking-pixel cleaning
Sender-domain statistics
Bounded local privacy reports with JSON export
Up to three device activations
Product preview
See MailSentry — Email Tracking Detector in action
Current release artwork showing the main workflow, key features, and lifetime-license experience.
