Decoy Font: A TTF Font That Hides Your Typing from AI

Decoy Font

I created Decoy Font, a free TTF file that uses spatial frequencies to display different text depending on viewing distance. While humans see the hidden message from afar, AI models like ChatGPT and Gemini focus on the foreground decoy when analyzing pixels up close. This hybrid image technique effectively obscures text from OCR and LLMs, offering a simple way to protect your writing from automated scrapers.

"Decoy Font is an interesting way to obscure messages, but it's not a guarantee; however, it still serves as an initial point of confusion for AI, which can make it very effective at deterring scraping or casual observation."