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Homoglyph Detector

Developer

Detect hidden homoglyph attacks in domain names and identifiers using lookalike characters.

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Homoglyph Detector

Detect look-alike characters that can be used for phishing and spoofing attacks

Enter any text containing Latin characters, digits, or URLs to scan

High Risk: 0
Warning: 0

No homoglyphs detected!

Character Reference
Common Latin Homoglyphs
a → а, α, ɑ
o → о, ο, 0
e → е, ε, ё
p → р, ρ
c → с, ϲ
Digit Homoglyphs
0 → О, о
1 → І, і, l, I
3 → Ε, ε, з
4 → Α, α, Ч
5 → Ѕ, ѕ, S
Attack Examples
g00gle.com
pаypal.com
араple.com
аmazon.com
Security Advisory

Homoglyph attacks (also called IDN homograph attacks) exploit visual similarity between characters from different scripts to create deceptive domain names.

Attackers may register domains like "pаypal.com" (with Cyrillic 'а') that look identical to "paypal.com" in browsers, tricking users into visiting malicious sites.

Protection: Always verify URLs carefully, enable punycode display in your browser, use security tools that detect homoglyph domains, and implement URL validation in your applications.

Quick answers for Homoglyph Detector

What does the Homoglyph Detector do?
Detect hidden homoglyph attacks in domain names and identifiers using lookalike characters. The Homoglyph Detector is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the Homoglyph Detector?
Open the Homoglyph Detector on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.
Is the Homoglyph Detector free to use?
Yes. The Homoglyph Detector is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.
Is the Homoglyph Detector safe and private?
Yes. The Homoglyph Detector processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.
Do I need to install anything to use the Homoglyph Detector?
No. The Homoglyph Detector runs entirely in your browser - no downloads, no accounts, no API keys. Paste your input, get the output, copy it back into your editor.
Can I use the Homoglyph Detector offline?
Once the page has loaded, the Homoglyph Detector continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.