Character Obfuscation: The Art of Hiding Text with Unicode and Zalgo

The Unicode standard allows computers to represent text in almost any language and symbol on the planet. However, this standard includes advanced capabilities that can be used for creative privacy purposes: text obfuscation.

The mystery of combinable characters

In Unicode, there are zero-spaced characters and combinable diacritics. They are special characters designed to be placed above or next to the previous character (such as accent marks or the letter eñe).

If dozens of these modifiers are applied to a single letter, the graphical representation overflows vertically. This is what is popularly known as Zalgo text or corrupted text.

Aside from its aesthetic impact, text obfuscation by replacing characters with homoglyphs or diacritics is useful for:

• Avoid automated keyword filtering by social media bots.
• Protect passwords or plain text data from basic web data scrapers.
• Create visually distinct digital signatures.

To experiment with converting normal text to obfuscated, Unicode, or Zalgo format versions locally, you can use our tool:

Try our Text Obfuscator

Transform your texts instantly with different intensity levels and Unicode filters, keeping your data safe and local on your machine.