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Browser extension
Freemium

Phishing & Scam Site Blocker by KitlyApps

Phishing, lookalike domains, risky downloads, trackers, and cryptominers, checked on this device.

Chrome and Microsoft Edge · Free to install

Add to Chrome (opens in a new tab)Add to Edge (opens in a new tab)

Every check runs on this device. The addresses you visit are not sent anywhere. An optional daily blocklist update downloads domain lists only. It is off by default. Phishing & Scam Site Blocker has no analytics and no remote code. Phishing.Database is credited under the MIT License. Privacy policy

Features

A shield that stays on the device

Every check runs on this device. The addresses you visit are not sent anywhere. An optional daily blocklist update downloads domain lists only. It is off by default.

  • Phishing domains

    Blocks phishing domains from Phishing.Database, credited under the MIT License on the privacy page. Copyright (c) 2018-2025 Mitchell Krog (@mitchellkrogza), Nissar Chababy (@funilrys), and Phishing.Database Contributors.

  • Lookalike domains

    Detects lookalike, homograph, and typosquat domains for 118 brands.

  • Full-page warning

    A phishing or lookalike site shows a full-page warning with "Did you mean".

  • Download protection

    Pauses risky files so you can decide before the download continues.

  • Trackers and cryptominers

    Blocks trackers and cryptominers from lists kept on this device.

  • HTTPS badge

    Shows whether the page you are viewing is using HTTPS.

  • Safety score

    The popup shows a safety score for the page you are on. The score is calculated on this device.

  • Stats dashboard

    A dashboard counts what Phishing & Scam Site Blocker blocked. The counts stay on this device.

  • Optional daily list update

    An optional daily blocklist update downloads domain lists only. It is off by default. Every check runs on this device. The addresses you visit are not sent anywhere.

Pricing

Free vs Pro

Pro is coming soon. The Pro price is a placeholder.

Free

Available

Free

Install from Chrome or Edge and use the shield at no charge.

  • Phishing domains from Phishing.Database, under the MIT License
  • Lookalike, homograph, and typosquat checks for 118 brands
  • Full-page warning with "Did you mean"
  • Pause risky downloads
  • Block trackers and cryptominers
  • HTTPS badge, popup safety score, and stats dashboard
  • Optional daily list update, off by default
Add to Chrome (opens in a new tab)Add to Edge (opens in a new tab)

Pro

Coming soon

TODO

Coming soon. Placeholder price: TODO.

  • Coming soon

Not on sale yet.

FAQ

Questions

Where do phishing domains come from?+
Phishing domains come from Phishing.Database, credited under the MIT License on the privacy page. Copyright (c) 2018-2025 Mitchell Krog (@mitchellkrogza), Nissar Chababy (@funilrys), and Phishing.Database Contributors.
What happens on a lookalike site?+
Phishing & Scam Site Blocker detects lookalike, homograph, and typosquat domains for 118 brands and shows a full-page warning with "Did you mean".
Are the addresses I visit sent anywhere?+
Every check runs on this device. The addresses you visit are not sent anywhere. An optional daily blocklist update downloads domain lists only. It is off by default. That update is disclosed here, and domain lists are data. There is no analytics and no remote code.
What does Phishing & Scam Site Blocker do with downloads?+
It pauses risky files so you can decide before the download continues. Trackers and cryptominers are blocked from lists on this device. The popup shows a safety score, an HTTPS badge, and a stats dashboard.
Privacy

Stays on your device

Every check runs on this device. The addresses you visit are not sent anywhere. An optional daily blocklist update downloads domain lists only. It is off by default. Phishing & Scam Site Blocker has no analytics and no remote code. Phishing.Database is credited under the MIT License.

Read the Phishing & Scam Site Blocker privacy policy