Streamdown

Streamdown is a drop-in replacement for react-markdown, built specifically to handle the unique challenges of AI-powered streaming content. If you've struggled with garbled or incorrectly formatted output when streaming Markdown from an AI model, Streamdown solves that problem cleanly. It renders safe, perfectly formatted Markdown in real-time without complex handling logic on your end. Features include built-in typography styles, full GitHub Flavored Markdown support, interactive code blocks with Shiki syntax highlighting, mathematical expressions via LaTeX and KaTeX, interactive Mermaid diagrams, and robust security hardening against prompt injection attacks. Install it as a standalone package and have beautiful, secure AI streaming content working in minutes.