Gmail security Chrome extension

AI Email Scanner for Gmail

Every email you open could be a phishing attempt, a scam, or a message written by AI to deceive you. TrustScan is a free AI email scanner that lives inside Gmail and gives every message an instant trust score — without copy-pasting a single word.

🔒 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

What Is an AI Email Scanner?

An AI email scanner is a tool that uses artificial intelligence to analyse the content, structure, and signals of an email and determine whether it is safe, suspicious, or dangerous. Unlike traditional spam filters that rely on blocklists and known patterns, an AI email scanner understands language — which means it can catch brand-new phishing attacks, AI-generated scam emails, and sophisticated social engineering attempts that bypass Gmail's built-in filter.

TrustScan is an AI email scanner built specifically for Gmail. It runs automatically every time you open an email, analysing writing style, sender signals, urgency patterns, and image content to generate a trust score from 0 to 100. You see the result as a simple traffic-light badge — green, amber, or red — right next to the subject line.

Why Gmail's Built-in Filter Isn't Enough

Gmail's spam filter is excellent at catching mass-blast spam. But today's threats are targeted, personalised, and written by AI.

AI-generated phishing

Tools like ChatGPT let attackers write flawless, personalised phishing emails at scale. These don't match any spam signature because they've never been seen before. Only an AI email scanner that understands language can catch them.

Business email compromise

Fake invoices, impersonated executives, and fraudulent payment requests land looking completely legitimate. TrustScan's AI email scanner sees the urgency manipulation, mismatched sender signals, and social engineering tactics.

Deepfake images in email

Scammers attach AI-generated profile photos, fake ID documents, and fraudulent proof-of-payment images. TrustScan scans every image in your Gmail inbox for AI generation artifacts — a capability no standard spam filter offers.

How TrustScan's AI Email Scanner Works

No copy-pasting required. The AI email scanner lives where you already work — inside your Gmail inbox.

1

Install the Chrome Extension

Add TrustScan to Chrome, Edge, or Brave in one click from the Chrome Web Store. The AI email scanner stays dormant until you open Gmail — no setup, no configuration.

2

Open Any Email in Gmail

TrustScan automatically runs its AI email scanner on the message text, sender details, and attached images. No action required on your part.

3

See the Trust Score Instantly

A trust score badge appears next to the subject line. Green means safe. Amber means caution. Red means high risk — likely phishing, scam, or fraud.

What TrustScan's AI Email Scanner Detects

Phishing attempts

Credential theft, fake login pages, urgent account-suspension threats, and links designed to steal passwords or personal information.

AI-written emails

Emails written by ChatGPT, Claude, Gemini, or similar AI tools — identified by writing uniformity, grammar patterns, and structural signals.

Scams and fraud

Fake invoices, lottery scams, romance fraud, advance-fee scams, and impersonation of banks, couriers, or government agencies.

Social engineering

Manipulation tactics including false urgency, authority impersonation, and emotional pressure designed to make you act without thinking.

Deepfake images

AI-generated profile photos, forged documents, and fake proof images attached to emails to establish false credibility.

Business email compromise

Executive impersonation, vendor fraud, and payment-redirect scams targeting professionals and businesses via Gmail.

How the AI Email Scanner Scores Every Message

Every email gets a score from 0–100 based on AI-authorship signals and threat risk, powered by GPT-4o.

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.

AI Email Scanner — Frequently Asked Questions

Is TrustScan's AI email scanner free?

TrustScan is free to install and includes a generous free tier. Paid plans start at $5/month and unlock more monthly scans. See the pricing page for details.

How is TrustScan different from Gmail's spam filter?

Gmail catches mass-blast spam based on known patterns. TrustScan's AI email scanner understands language — it detects targeted phishing, AI-generated emails, deepfake images, and sophisticated scams that bypass Gmail because they're personalised.

Does the AI email scanner store my emails?

No. TrustScan never permanently stores your email content. Email text is processed and discarded immediately once your trust score is generated. Read our privacy policy for full details.

Can the AI email scanner detect ChatGPT-written emails?

Yes. TrustScan is specifically built to detect emails written by ChatGPT, Claude, Gemini, and similar AI tools. It analyses writing style, grammar uniformity, and language patterns to flag AI-generated content.

Do I also need an email phishing scanner?

TrustScan combines AI email scanning with dedicated email phishing detection in a single extension — you don't need separate tools. Every scan checks for both AI-authorship signals and phishing threat signals simultaneously.

Add the Free AI Email Scanner to Gmail

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

Install TrustScan for Chrome

Requires Google Chrome, Edge, or Brave. No account needed · Uninstall anytime.