Watermark — Watermarking Reference

---

name: "watermark"

version: "1.0.0"

description: "Watermark reference — visible and invisible watermarking, steganography, copyright protection, detection. Use when implementing watermarks for images, documents, or media, or understanding digital rights management."

author: "BytesAgain"

homepage: "https://bytesagain.com"

source: "https://github.com/bytesagain/ai-skills"

tags: [watermark, steganography, copyright, drm, image-protection, digital-forensics, content-authenticity]

category: "frontend"

---

# Watermark — Watermarking Reference

Quick-reference skill for watermarking techniques, implementation, and digital content protection.

When to Use

Commands

`intro`

scripts/script.sh intro

Watermarking overview — types, purposes, visible vs invisible, history.

`visible`

scripts/script.sh visible

Visible watermarks — design principles, placement, opacity, tamper resistance.

`invisible`

scripts/script.sh invisible

Invisible watermarks — frequency domain, LSB, spread spectrum, robustness.

`web`

scripts/script.sh web

Web watermarking — CSS overlay, canvas-based, DOM watermarks, anti-removal.

`document`

scripts/script.sh document

Document watermarking — PDF, print, forensic tracking, canary traps.

`ai`

scripts/script.sh ai

AI watermarking — C2PA standard, AI-generated content marking, detection.

`attacks`

scripts/script.sh attacks

Watermark attacks — removal, distortion, collusion, and countermeasures.

`checklist`

scripts/script.sh checklist

Watermark implementation checklist for different use cases.

`help`

scripts/script.sh help

`version`

scripts/script.sh version

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