IsThisSpam - Scam & Spam Detector

Check suspicious emails, links and websites. Start with a free history preview and get clear risk signals before you act.

Before you click, reply, or pay, get a second opinion. IsThisSpam checks suspicious emails, links, and websites, then explains the signals behind the result in plain English. Use it when a message feels urgent, a sender looks unfamiliar, or a website asks for money or personal information. CHECK SUSPICIOUS EMAILS • Gmail, Outlook, and Yahoo support • Spot phishing, fake invoices, impersonation, suspicious senders, and pressure tactics • See evidence and practical next steps ALWAYS-ON BROWSING WARNINGS, FREE • Every site you open is checked against live threat feeds (Google Web Risk and a phishing feed), with no daily limit • A full-screen warning appears before you interact with a site those feeds report as dangerous • Only the URL's origin and path are sent; credentials, query strings and fragments are removed. Page content is never read • Turn it on or off at any time; website access is requested only when you turn it on CHECK LINKS AND WEBSITES • Review unfamiliar links and websites before opening them or sharing information • Inspect online stores, social-media links, ads, pop-ups, and redirects CHECK YOUR EMAIL FOR DATA BREACHES • With a free account, see whether your verified account email appears in known data breaches • Only your own account email can be checked TRY A FREE HISTORY PREVIEW • Choose to scan up to 100 unique recent sites from the last 24 hours or 7 days • Threat-intelligence and domain checks run on selected sites; eligible sites may also receive conditional AI analysis, separate from your 10 daily AI checks • No account, card, trial or subscription is required to run the preview • History access is requested only when you start; the scan can resume within 24 hours of starting • Findings describe websites now, not what they contained when you visited • Unavailable checks are shown as inconclusive, and your results remain visible UNDERSTAND THE RESULT • See clear risk signals instead of a black-box label • Read explanations and limitations before deciding what to do • Keep a local history of checks in the Protection Center START FREE, UPGRADE WHEN YOU WANT • Free: always-on warnings for known dangerous sites, plus 10 AI checks per day, no account needed • Premium adds AI analysis of every new or unknown site you open, plus unlimited checks, subject to service safeguards • Try Premium free for 7 days (card required, cancel before the trial ends and you won't be charged; one trial per account) • Personal, family and business plans available; signing in connects an existing subscription • Connect the account associated with your existing Apple or redeemed StackSocial plan to use included access PRIVACY CONTROLS • Protection layers are opt-in • Choose whether to use inbox checks, link checks, or browsing warnings • Message checks use the analysis provider selected in your settings; browsing warnings send origins and paths without URL credentials, query strings or fragments. The optional history preview sends selected site origins only to IsThisSpam for threat/domain checks and conditional AI analysis of eligible sites Check first. Click smarter.