URLScan.io

urlscan.io

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A free service that scans URLs and renders them in an isolated browser, capturing all network requests, DOM structure, and screenshots for security analysis.

Why it is useful

Allows you to safely inspect a suspicious URL by having a remote browser visit it and report everything that happens — network requests, redirects, JavaScript execution, and a screenshot — without risking your own machine. For security researchers and IT professionals investigating phishing links or malware sites, it is the cleanest free sandboxed analysis tool available.