Browser Extension

Real-time email protection that integrates directly into Gmail. Trust scores, link scanning, and phishing detection — all without leaving your inbox.

Install Free from Chrome Web Store

Works on every Chromium browser

One install package, six supported browsers.

Google Chrome
Microsoft Edge
Brave
Opera
Vivaldi
Arc
Firefox
on roadmap
Safari
on roadmap

Works with your email

Trust badges and link scanning render directly inside your inbox.

Gmail
Web (mail.google.com)
Outlook on the web
outlook.live.com / office.com
Microsoft 365 Outlook
outlook.office365.com
Outlook Desktop App
Windows + Mac add-in coming soon

Phishing simulations and password vault work on every site you visit, regardless of email provider.

Installing on other browsers

Chromium browsers can install directly from the Chrome Web Store.

Microsoft Edge
Visit the Chrome Web Store link above. The first time you install a Chrome extension, Edge will prompt you to allow extensions from other stores — click Allow extensions from other stores, then click Add to Edge.
Brave / Opera / Vivaldi / Arc
Visit the Chrome Web Store link above and click Add to {Browser} exactly as you would in Chrome. No extra steps needed — these browsers natively support the Chrome Web Store.
Firefox & Safari
Native versions are on the roadmap. In the meantime, we recommend using a Chromium browser for the full experience. If your school is standardized on Firefox or Safari, let us know — it helps us prioritize.
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Outlook Desktop App Add-in

Coming Soon

Same trust badges, same link scanning, same one-click reporting — running natively inside the Outlook Desktop app on Windows and Mac. Built on the official Microsoft 365 add-in framework so it deploys cleanly through your IT admin's existing Microsoft 365 tenant. Sign up for our newsletter from the homepage to be first to know when it launches.

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Trust Badges

Every email gets a trust score from 0-100 with color-coded badges. See at a glance which emails are safe.

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Link Scanner

Hover over any link to scan it for phishing indicators, malicious redirects, and domain spoofing.

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Report Phishing

One-click reporting of suspicious emails. Helps your organization track threats and improve training.

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AI Email Analysis

When you're unsure, click one button and a separate AI engine analyzes the suspect email — sender patterns, link tricks, body content. Flagged emails enter your admin's review queue.

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Community Threats

When two staff at your org report the same scam sender, every other inbox at your org sees a warning badge automatically — no admin intervention needed.

Coming soon
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Calendar Spam Auto-Decline

Detects malicious calendar invites that landed in your Spam folder and declines them on your behalf — closing a phishing vector other tools ignore.

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Breach Alerts

Instant warnings when a password you enter has appeared in a data breach. Checks 14B+ compromised credentials via Have I Been Pwned.

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Site Safety Badge

Every website gets a safety indicator in the extension icon. Green checkmark for safe, yellow warning for suspicious, red for known threats.

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Online Kindness Meter

As AI becomes part of daily life, we believe maintaining our humanity matters. The Online Kindness Meter is a floating badge that appears on AI chatbots and messaging platforms, encouraging courteous, respectful digital communication. Your school's leaderboard celebrates the kindest communicators — building a culture of digital civility.

💛 Floating kindness badge on 14+ AI platforms
🏆 School-wide kindness leaderboard
📊 Tracks overall communication courtesy
🔒 100% local — we never see your prompts

We built the Kindness Meter believing technology should help us treat one another with greater charity, not less — a conviction we share with Pope Leo XIV's 2026 encyclical Magnifica Humanitas, a reflection on artificial intelligence and the dignity of the human person.

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Your Privacy Is Sacred

Email content never leaves your browser. Analysis happens 100% on your device.

AI prompts are never recorded or transmitted. Only local aggregate counts.

Zero third-party trackers. No Google Analytics, no ad networks, no data brokers.

We will never sell your data. Full stop.

Read our full Privacy Policy →