Is This Fraud? by Is This Fraud?

AI-powered email security assistant that detects phishing and social engineering attacks in real-time. Works with Groq, OpenAI, Gemini, and OpenRouter.

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About this extension

Is This Fraud? is an open-source, AI-powered browser extension that analyzes emails for phishing links, social engineering tactics, and fraud attempts. Simply open an email and click "Analyze" — the extension sends only the email text to your chosen AI provider (Groq, OpenAI, Gemini, or OpenRouter) and returns a suspicion score with detailed reasoning. No data is stored, sold, or used for training. Supports Gmail, Outlook, Yahoo Mail, ProtonMail, and more.

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Permissions and data

Required permissions:

Access your data for mail.google.com
Access your data for outlook.live.com
Access your data for outlook.office.com
Access your data for outlook.office365.com
Access your data for mail.yahoo.com
Access your data for mail.proton.me
Access your data for mail.protonmail.com
Access your data for mail.aol.com
Access your data for mail.zoho.com
Access your data for mail.yandex.com
Access your data for mail.yandex.com.tr

Optional permissions:

Access your data for api.groq.com
Access your data for api.openai.com
Access your data for generativelanguage.googleapis.com
Access your data for openrouter.ai

Required data collection, according to the developer:

Personal communications

Optional data collection, according to the developer:

Technical and interaction data