Invisible Character Detector

Detect and remove hidden invisible characters from text including zero-width, control, and formatting characters.

Invisible Character Detector

Find hidden characters

Check if text contains hidden zero-width characters, control codes, or unusual whitespace

What This Tool Detects

  • Zero-Width Characters: Used for text watermarking (ZWS, ZWNJ, ZWJ)
  • Control Characters: Non-printable ASCII control codes
  • Special Whitespace: Non-breaking spaces, em/en spaces, etc.
  • Formatting Characters: Bidirectional text markers, BOM

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