watermark

# Watermark — Watermarking Reference Quick-reference skill for watermarking techniques, implementation, and digital content protection. ## When to Use - Adding visible watermarks to images and documents - Understanding invisible/digital watermarking for tracking - Implementing CSS/canvas watermarks in web applications - Protecting intellectual property and detecting unauthorized use - Understanding steganography and content authenticity ## Commands ### `intro` ```bash scripts/script.sh intro ``` Watermarking overview — types, purposes, visible vs invisible, history. ### `visible` ```bash scripts/script.sh visible ``` Visible watermarks — design principles, placement, opacity, tamper resistance. ### `invisible` ```bash scripts/script.sh invisible ``` Invisible watermarks — frequency domain, LSB, spread spectrum, robustness. ### `web` ```bash scripts/script.sh web ``` Web watermarking — CSS overlay, canvas-based, DOM watermarks, anti-removal. ### `document` ```bash scripts/script.sh document ``` Document watermarking — PDF, print, forensic tracking, canary traps. ### `ai` ```bash scripts/script.sh ai ``` AI watermarking — C2PA standard, AI-generated content marking, detection. ### `attacks` ```bash scripts/script.sh attacks ``` Watermark attacks — removal, distortion, collusion, and countermeasures. ### `checklist` ```bash scripts/script.sh checklist ``` Watermark implementation checklist for different use cases. ### `help` ```bash scripts/script.sh help ``` ### `version` ```bash scripts/script.sh version ``` --- *Powered by BytesAgain | bytesagain.com | hello@bytesagain.com*