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URL Safety Checker

Heuristically analyze a URL for phishing signals.

Heuristic risk check of the URL structure. It never visits the site.

What Is a URL Safety Checker?

The URL Safety Checker performs a heuristic analysis of a URL's structure to estimate how risky it looks. It checks for plain HTTP, IP addresses or localhost hosts, non-ASCII homograph characters, suspicious top-level domains, very long query strings, links to executable files, and non-standard ports, then assigns a risk score.

How to Use This URL Safety Checker

  1. 1
    Paste a URLEnter the URL you want to check.
  2. 2
    Read the risk scoreSee the 0–100 score and risk level.
  3. 3
    Review the signalsRead which structural red flags were detected.

Frequently Asked Questions

No. The analysis is purely structural and runs locally on the URL string. It never requests the site.
No. This is a heuristic check of the URL structure only. A legitimate-looking URL can still host malicious content, so treat it as one input into a broader judgment.
These use lookalike characters, for example replacing letters with non-ASCII ones, to make a malicious domain resemble a trusted one. This tool flags URLs that contain such characters.

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