Hidden Text Detector & Remover

Find visually concealed document text, hidden structures, invisible Unicode, and AI-directed instructions before sharing a file with an assistant.

Hidden Text Detector & Remover

Find visually concealed document text, hidden structures, invisible Unicode, and AI-directed instructions before sharing a file with an assistant.

policy

Drop a document to inspect

Load Document

PDF, DOCX, TXT, or Markdown up to the site limit.

How it works

Upload a supported document or paste raw text.
Review each finding’s severity, exact content, location, and independent evidence.
Select only the content you want removed. Supported files are copied, sanitized, and scanned again without overwriting the original.