CheckLink Trust Lab
Inspect QR codes, redirects, lookalike domains, email headers, and link risk signals with privacy-first tools.
Inspect
Reveal evidence without opening the destination.
Understand
Separate observed signals from assumptions and unknowns.
Decide
Choose a proportionate next action for the stakes.
I have a destination
Reveal a QR destination, redirect path, or possible lookalike before deciding whether to continue.
QR Code Link Checker
Extract and check QR destinations locally before opening them.
Redirect Chain Checker
See where a link really goes and review the redirect timeline.
Lookalike Domain Checker
Compare a suspicious domain against a trusted brand or website.
Risk Signal Library
Learn the practical signals behind CheckLink verdicts.
I have a suspicious message
Separate identity, requested action, authentication context, and human-pressure cues.
Phishing Message Analyzer
Understand identity, persuasion cues, requested actions, and links without uploading the message.
Email Identity Checker
Compare visible email identity with technical identities and linked destinations.
BEC Request Inspector
Review suspicious invoice, gift-card, payroll, and vendor-change requests locally.
Email Header Inspector
Inspect sender, reply-to, authentication, and routing signals locally.
Email Authentication Checker
Check public SPF, DMARC, optional DKIM, and MX signals for a domain.
I need to respond or practice
Practice phishing judgment or build a private action plan after an interaction.
I am preparing something public
Preflight a campaign, map brand context, produce a report, or review website trust basics.
QR Campaign Preflight
Plan QR campaign destinations before printing, sending, or publishing.
Campaign Link Preflight
Review campaign context for email, SMS, QR, ads, and customer links.
Brand Impersonation Planner
Map brand exposure areas and create a practical review plan.
Quick Report Builder
Generate a clean printable report from scanner results without storing it.
Website Trust Checklist
Self-check your website before launch, sign-in, campaigns, or payments.
Higher-risk case?
Use the Trust Lab for first-pass context, then request manual review when a link affects money, credentials, customers, or business operations.