How to Detect Hidden Prompts in Text and Documents
Step-by-step checks for hidden prompts in Word, Google Docs, PDFs, emails and web pages, plus a free scanner that flags hidden instructions in any text you paste.
Category: Hidden Text & Security
Invisible characters, odd spaces and hidden instructions that ride along in copied text, resumes and documents. Guides to what hidden prompt injection is, how to spot it, and how to clean text before you send it.
Can a Resume Contain Hidden AI Instructions?
Some resumes carry white text or hidden instructions aimed at AI screeners. Why it backfires, and how to check a resume before you send it or after you receive it.
Hidden Prompt Injection: What It Is and How to Find It in Your Text
Hidden instructions can ride along in resumes, papers and pasted text, aimed at whatever AI reads it next. Here's how it works and how to check any text free.
How to Remove Hidden Characters From AI Text (and the "ChatGPT Watermark")
AI text can carry invisible Unicode and odd spaces. Scan it for free, see what's hiding, and strip it in one pass.