UnicodeChecker

Discover Hidden Unicode Characters

Uncover invisible characters causing formatting issues, security risks, or AI text detection with our free, easy-to-use tool.

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Why Use UnicodeChecker?

Debug Encoding Errors

Identify and fix invisible characters in code, databases, or documents for seamless processing.

Detect AI Text Markers

Spot hidden Unicode markers in AI-generated text to ensure clean content.

Enhance Security

Prevent homoglyph attacks and phishing scams by detecting malicious Unicode characters.

How It Works

Paste your text into the input box.

Click "View Characters" to analyze.

Review highlighted Unicode details.

Edit or remove problematic characters.

Common Invisible Characters

Zero-Width Space (U+200B)

Invisible space often used in AI-generated text.

No-Break Space (U+00A0)

Prevents line breaks, potentially breaking code.

Right-to-Left Mark (U+200F)

Reverses text direction, used in phishing attacks.

Ready to Clean Your Text?

Whether you're a developer, content creator, or security expert, UnicodeChecker.com helps you detect and fix invisible characters instantly.

Start Using UnicodeChecker