Gmail security Chrome extension

Phishing & Scam Detector for Gmail

Is that email real or a Scam?

TrustScan is a Chrome extension that analyzes Gmail messages using AI to detect phishing, scams, fraud, and AI-generated content, giving each email an instant trust score and traffic-light verdict right inside your inbox.

Add to Chrome - Free See how it works

🔒 Privacy-focused · No email content stored · Works in Gmail

Featured by Google 5-star rated on Chrome Web Store Privacy-first & GDPR compliant Instant analysis · No copy-paste needed
TrustScan - Gmail
ON
[email protected]
Subject: Important - Your Account Will Be Locked ...
Trust score
25
Verdict: Phishing email written by AI

Analysis

Uniform style, flawless grammar, and urgent language patterns suggest an AI generated phishing email that tries to force quick action.

TrustScan is a Chrome browser extension that analyzes Gmail messages using AI to detect phishing attempts, scams, fraud, and AI-generated content. Each email receives an instant trust score displayed as a traffic-light badge - green means safe, amber means caution, red means high risk. TrustScan works directly inside Gmail with no copy-pasting required.

Available free on the Chrome Web Store · Works on Chrome, Edge & Brave · Rated 5 stars

Featured by Google on the Chrome Web Store

See TrustScan in Action

Watch how TrustScan scores a suspicious email right inside Gmail - from opening the message to getting a clear verdict in seconds.

Gmail Security Against AI Spam, Phishing, and Scams

The modern inbox is flooded with AI generated spam, fake invoices, and sophisticated phishing attacks. TrustScan gives Gmail users a clear trust score and simple traffic light verdict so you can verify authenticity instantly.

Deepfake and Image Verification

Scammers use AI images to create fake profiles and fraudulent proofs. Hover over any image in Gmail to scan for signs of diffusion or AI generation and spot deepfake style artifacts.

Simple Traffic Light Verdict

No complex data to interpret. TrustScan gives a clear Green, Yellow, or Red trust score next to the subject line so you can decide quickly whether to open, ignore, or delete an email.

How TrustScan for Gmail Works

No copy pasting required. The AI email detector lives where you already work, inside your Gmail inbox.

1. Install the Chrome Extension

Add TrustScan to your Chrome, Edge, or Brave browser in one click. The Gmail email scanner stays dormant until you open Gmail.

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2. Open Any Email in Gmail

TrustScan automatically analyzes the email text, sender details, and images in the background to look for signs of AI writing, phishing, and scams.

3. See the Trust Score Badge

A trust score badge appears next to the subject line. Click to see a detailed breakdown or hover over images to scan them for AI generation artifacts and deepfake style issues.

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How TrustScan Calculates Your Trust Score

Every email gets a score from 0–100 based on AI-authorship signals and threat risk, powered by GPT. The score maps to a simple traffic-light verdict.

80–100
Green - Safe

No significant phishing, scam, or AI-threat signals detected. Looks safe to read and act on.

50–79
Amber - Caution

Some risk signals present. Be careful with links, attachments, and any requests in this email.

0–49
Red - High Risk

High likelihood of phishing, scam, or fraud. Do not click links or share any information.

Scores are generated fresh for every email you open. Email content is discarded immediately after scoring - never stored permanently.

Take Control of Your Gmail Inbox

Join professionals who use TrustScan to filter out AI noise, spot phishing and scams quickly, and focus on genuine human connection in Gmail.

Install TrustScan for Chrome

Requires Google Chrome, Edge, or Brave browser.

Frequently Asked Questions

Everything you need to know about TrustScan for Gmail.

Is TrustScan free to use?
TrustScan is free to install and try. Paid plans start at $5 per month and unlock more monthly scans plus advanced phishing and scam detection. See our pricing page for full details.
Can TrustScan detect ChatGPT or AI-written emails?
Yes. TrustScan is specifically built to detect emails written by AI tools including ChatGPT, Claude, Gemini, and similar large language models. It analyzes writing style, grammar uniformity, and language patterns to flag AI-generated content.
Does TrustScan store my email content?
No. TrustScan never permanently stores your email content. Email text is sent securely for analysis and discarded immediately once your trust score is generated. TrustScan is privacy-focused and complies with Google API Services User Data Policy. Read our privacy policy for full details.
Which browsers does TrustScan support?
TrustScan works on Google Chrome, Microsoft Edge, and Brave - any Chromium-based browser that supports Chrome extensions. Install it directly from the Chrome Web Store.
How does TrustScan detect phishing emails?
TrustScan analyzes every Gmail message for phishing signals including urgent language patterns, suspicious sender details, social engineering tactics, fake invoice indicators, and credential-theft attempts. It then shows a clear Green, Amber, or Red trust score so you know whether to trust the email before clicking any links. See the full email phishing scanner guide →
Does TrustScan work automatically or do I need to click anything?
TrustScan works automatically. When you open an email in Gmail, it analyzes the message in the background and displays a trust score badge next to the subject line. You can also hover over any image to trigger a deepfake and AI-image scan on demand.
What does a green, amber, or red score mean?
A green score (80–100) means the email looks safe to read. An amber score (50–79) means some risk signals are present - be careful with links and attachments. A red score (0–49) means high risk: the email is likely phishing, a scam, or fraud - do not click links or share any information.
How does TrustScan calculate the trust score?
TrustScan uses GPT to score each email on two dimensions: an AI-authorship score and an overall risk score covering phishing, scam, and fraud signals. These are combined into a single trust score weighted toward threat signals. The score is generated fresh every time you open an email.
Is TrustScan GDPR compliant?
Yes. TrustScan is GDPR compliant. Email content is processed ephemerally and never stored permanently. EEA users have the right to access, rectify, erase, and restrict their personal data. See our privacy policy or contact [email protected] to exercise your rights.
How does TrustScan compare to Gmail's built-in spam filter?
Gmail's spam filter catches mass-blast spam based on known patterns. TrustScan goes further by detecting targeted phishing, AI-generated emails, deepfake images, and sophisticated scams that bypass Gmail's filter because they are personalized and don't match bulk-spam signatures. If good email is landing in spam or junk is getting through, see why Gmail's spam filter isn't enough and how to fix it →, or read the full email scanner guide →
Does TrustScan work with Google Workspace accounts?
Yes. TrustScan works with both personal Gmail accounts and Google Workspace (formerly G Suite) business accounts. Any Gmail inbox accessible at mail.google.com is supported.
Can TrustScan detect fake invoice or business email compromise scams?
Yes. TrustScan is trained to identify fake invoice scams and business email compromise (BEC) attacks - including emails that impersonate vendors, contain fraudulent payment requests, or impersonate executives to pressure recipients into transferring funds.
What happens when TrustScan flags a phishing email?
TrustScan displays a red trust score badge with a verdict such as "Phishing Email" or "Scam Email" and a brief plain-English explanation. No action is taken automatically - you stay in control and can review the full analysis before deciding how to respond.