Zero-Width Text Steganography Encoder & Decoder

Conceal hidden secret messages inside ordinary plain text using zero-width invisible unicode characters (ZWSP, ZWNJ) undetectable to standard text viewers.

How to Use Zero-Width Text Steganography Encoder & Decoder

  1. Enter Innocent Cover Text: Provide an ordinary paragraph of public text to carry the hidden information.
  2. Enter Secret Message: Type the secret string you want to conceal invisibly.
  3. Copy Invisible Steganographic Text: The tool encodes your secret into binary and injects zero-width non-joiner unicode characters into the cover text.

Frequently Asked Questions

What are zero-width characters in text steganography?

Zero-width characters (like U+200B and U+200C) are valid Unicode characters that occupy zero visual space, allowing secret binary data to hide inside ordinary visible text.