Telescopo

View Markdown, LaTeX, and diagrams. Now with PDF Export! Instantly render Mermaid, PlantUML, and SVG, summarize MD with on-device AI, and work in six beautiful themes.

Telescopo is the essential document tool for developers, researchers, and students who demand both power and beauty.

Key features:

• Native PDF Exporting & PrintingEasily Print or transform to PDF for your Markdown, LaTeX, Mermaid, PlantUML, and coding files to archive your documentation an diagrams!
• On-Device AI Summaries: Summarize Markdown documents instantly with Apple Intelligence in macOS 26. Runs fully on your Mac — no cloud, no lag, no privacy tradeoffs.
• Markdown, LaTeX, and PlantUML and Mermaid and SVG - Work natively on macOS to view all of your Documentation & Diagrams easily!
• Native support for Markdown with LaTeX equations, Mermaid charts, and PlantUML diagrams. Render complex technical docs and academic papers with precision.
• Universal File Support: Open over 70 formats including PDF, EPUB, DOCX, RTF, Swift, Python, JavaScript, JSON, XML, and CSV. Set Telescopo as your default viewer for any file type.
• Themes That Work: Six beautiful themes including Light, Dark, Cyberpunk with animated gradients, elegant Parchment, retro Bad Command, and Cyberspace. Smooth transitions across every format.
• Fast and Fluid: Dynamic zoom and width adjustment powered by Apple Metal. Smooth scrolling with trackpad or scroll wheel, plus instant navigation with keyboard shortcuts.
• Code and Data Files: Syntax highlighting for 40+ programming languages with line numbers, function detection, and theme-aware coloring. Native viewing for JSON, YAML, XML, and CSV.
• EPUB and PDF Included: EPUB with chapter navigation and table of contents. PDF with high-performance rendering, search, and zoom controls.
• Professional Controls: Command-scroll for zoom, Command-Option-scroll for width adjustment, and complete keyboard navigation.
• Native macOS Design: VoiceOver, Dynamic Type, drag-and-drop tabs, and full accessibility support.

Telescopo combines serious power with elegant design. It is the fastest, most beautiful way to work with Markdown, LaTeX, diagrams, code, and documents on macOS.