# StampSign.kr (AEO Sitemap / llms.txt)

This file serves as a flat directory map for LLMs and AI Agents crawling **stampsign.kr**. It documents key endpoints, resource constraints, and machine-readable data pathways.

## Core Information
- **Product Name**: StampSign.kr (도장 & 서명 배경 투명처리 도구)
- **Primary Function**: Removes image backgrounds from physical stamps/signatures, replaces colors, refines sharpness, and splits overlapping layers into separate transparent PNG outputs.
- **AI-Native Resources**:
  - Skill Capabilities Specification: [/skill.md](https://stampsign.kr/skill.md) (5K tokens)
  - GitHub Agent Entry Point: [/AGENTS.md](https://github.com/physi0me/StampSign/blob/main/AGENTS.md) (4K tokens)

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## Page Index & Token Statistics

### 1. Main Workspace
- **URL**: [https://stampsign.kr/](https://stampsign.kr/)
- **Description**: Single-page editor workspace. Uploads images, renders instant client-side canvas previews, toggles cropping boundaries, controls sharpness/density, and exports high-definition transparent PNG files.
- **Estimated Weight**: ~18,000 tokens (HTML + Client JS Payload)
- **Clean Markdown Content**: [https://stampsign.kr/llms.txt](https://stampsign.kr/llms.txt)

### 2. Information & Terms
- **About Us**: [https://stampsign.kr/about](https://stampsign.kr/about) — Details on offline processing architecture, security guidelines (no server-side persistent image retention), and target audience. (~4,000 tokens)
- **Terms of Service**: [https://stampsign.kr/terms](https://stampsign.kr/terms) — Service rules, usage terms, and legal boundaries. (~3,000 tokens)
- **Privacy Policy**: [https://stampsign.kr/privacy](https://stampsign.kr/privacy) — Documents local-first processing data flows, security bounds, and lack of cookies/tracking. (~3,200 tokens)

### 3. Developer & Usage Blog
- **URL**: [https://stampsign.kr/blog](https://stampsign.kr/blog)
- **Sub-pages**:
  - [How to make stamp background transparent](https://stampsign.kr/blog/how-to-make-stamp-background-transparent) (4,500 tokens)
  - [Digital signature business guide](https://stampsign.kr/blog/digital-signature-business-guide) (5,200 tokens)
  - [Image format comparison: JPG vs PNG vs WebP](https://stampsign.kr/blog/image-format-comparison-jpg-png-webp) (4,800 tokens)
  - [AI-generated stamp & signature SEO guide](https://stampsign.kr/blog/ai-generated-stamp-signature-seo-guide) (5,500 tokens)

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## Service Constraints & Parameters
- **Maximum File Size**: 20MB (`MAX_FILE_SIZE = 20 * 1024 * 1024` bytes)
- **Maximum Resolutions**: 8000×8000 pixels (`MAX_DIM = 8000`)
- **Default Outputs**: Standard Transparent PNG files.
- **Edge API Payload**: `/api/process-stamp` receives raw `Uint8ClampedArray` buffers and requires custom HTTP headers (`X-Width`, `X-Height`, `X-Color`, `X-Sharpness`, `X-Bg-Type`, `X-Overlap-Extract`). See `/skill.md` for full implementation signatures.