MD2Card is a free online tool that transforms Markdown documents into visually appealing knowledge cards. It supports over 30 themes, including Pop Art, ByteDance, and Apple Notes styles, and offers features like real-time preview, one-click export to PNG/SVG/PDF, and AI-powered content extraction. Ideal for students, educators, and content creators, MD2Card enhances the presentation and shareability of notes, summaries, and educational materials.