Claude Watermark checks text for zero-width characters, unusual Unicode, and suspected hidden marks, then exports cleaned text. It is useful for copy-paste, formatting, and compatibility problems; removing markers does not prove human authorship.

Features
- Hidden-character detection
- Zero-width character removal
- Unicode anomaly alerts
- Clean-text export
Use Cases
- Diagnose formatting issues
- Clean copied text
- Inspect invisible characters
- Prepare cross-system text
FAQ
Claude Watermark checks text for zero-width characters, unusual Unicode, and suspected hidden marks, then exports cleaned text. It is useful for copy-paste, formatting, and compatibility problems; removing markers does not prove human authorship. Core capabilities include: Hidden-character detection, Zero-width character removal, Unicode anomaly alerts.
Common scenarios include: Diagnose formatting issues, Clean copied text, Inspect invisible characters.