HTML & Markdown Viewer

Local viewer for AI HTML, Markdown & ZIP artifacts with full rendering

Artifact Viewer — the offline viewer for AI-generated HTML, Markdown, and ZIP artifacts.

• Works Completely Offline: No network needed. All rendering happens locally on your device.
• AI Artifact Ready: Opens single-file HTML, HTML packages, ZIP bundles, and Markdown files from ChatGPT, Files, WeChat, Mail, and more.
• Full Rendering: JavaScript, CSS, Mermaid diagrams, GFM tables — all render correctly offline.
• Local HTTP Server: Serves files through a private local server for full compatibility, not a crippled static view.
• PDF & PNG Export: Export any view as PDF or current screen as PNG.
• Private & Secure: No data leaves your device. No tracking. No analytics.

Perfect for developers, researchers, and AI users who receive rich HTML artifacts and need to view them reliably offline.