# archapp.design > AI-optimized mirror of archapp.design containing 4 pages totalling 2,139 words of clean markdown content, structured data, and semantic HTML. Original source: https://archapp.design/. Last updated: 2026-05-01T01:59:34.555Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [Design production‑grade cloud and system architecture in your browser](/site-root.html): ARCH is a local-first architecture designer: drag-and-drop cloud and network components, orthogonal connections, multi-project workspaces, and .arch export - runs entirely in your browser with no backend. (754 words) ## Articles & Blog Posts - [Welcome to ARCH](/arch/index.html): ARCH is a local-first architecture designer: drag-and-drop cloud and network components, orthogonal connections, multi-project workspaces, and .arch export - runs entirely in your browser with no backend. (704 words) - [ARCH· Visualize](/visualize/index.html): ARCH is a local-first architecture designer: drag-and-drop cloud and network components, orthogonal connections, multi-project workspaces, and .arch export - runs entirely in your browser with no backend. (120 words) - [Privacy & Cookie Notice](/privacy/index.html): ARCH is a local-first architecture designer: drag-and-drop cloud and network components, orthogonal connections, multi-project workspaces, and .arch export - runs entirely in your browser with no backend. (561 words) ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/content/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/content/robots.txt): Crawler directives