Telescopo: Markdown Viewer

Mermaid, LaTeX, PDF, Diagrams

Only for Mac

Free · In‑App Purchases

Mac

Fast, native Markdown viewer with Mermaid, LaTeX, and PDF export. Now featuring an integrated AI Assistant and stunning new themes. Local-first. Built for developers. Telescopo: Markdown Viewer is a lightning-fast, native Markdown viewer for macOS featuring an integrated AI Assistant, builtin Mermaid diagrams, LaTeX math, and pro-grade PDF exports. It is carefully crafted for developers, researchers, and anyone navigating large libraries of code and documents. Start free with a beautiful, local-first Markdown reader. Upgrade to Telescopo Pro to unlock the interactive AI Assistant, advanced PDF layout exports, and over 30 premium themes. Key capabilities: * Native Markdown rendering (now supporting Highlights, Admonitions, Footnotes, and true Table of Contents) * Native support for Mermaid diagrams, LaTeX math blocks, local/remote images, and SVGs inside of Markdown * Telescopo AI Assistant: 100% secure, on-device AI for complex document Q&A and ultra-fast summarization (M1+, macOS 15+, zero data leaves your machine) * Pro-Grade PDF Export with live layout previews, landscape modes support, custom margins, and international paper sizing * Additionally View SVG, ePUB, CSV, and 70+ code files natively with syntax highlighting * Features 30 reading themes with fully coordinated code styling and high-contrast modes * Global Typography: Define your preferred Global Font and Global Zoom levels effortlessly * Advanced File Management: Open multiple files seamlessly into individual tabs or windows, and set Telescopo as your default .md app * No plugins, no setup, no web views—everything works out of the box locally * Fast search and dynamic navigation for rapidly parsing large technical documents Why developers prefer reading Markdown with Telescopo: - Drastically faster and significantly less memory-intensive than Electron-based editors - No plugin maintenance or configuration overhead - Built specifically for the macOS native experience across large monitors and laptops Beautifully render complex Markdown with diagrams, mathmatics, images. And export everything into precise PDFs, all inside a lightweight, native viewer built specifically for macOS.

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Telescopo: Markdown Viewer has been updated to v6.1.0! We’ve combined our recent updates into one massive release, bringing a brand new AI Assistant, pro-level PDF tools, and huge performance gains. New Features: - Telescopo AI Assistant: 100% secure, local, and incredibly fast. Ask complex questions or generate summaries of your documents natively. - Pro-Grade PDF Export: A brand new engine with live layout previews, custom margins, and multiple international paper sizes. - Expanded Markdown Support: Full rendering for Highlights, Admonitions (callouts), Footnotes, and a native Table of Contents ([TOC]). - 30 Beautiful Themes: Upgraded from 6, including stunning new high-contrast modes. - Code Syntax Highlighting: Now supported across both Markdown blocks and native code files. - Global Settings: Effortlessly define your preferred Global Font and Global Zoom level. - Advanced File Management: Open multiple files instantly into new adjacent tabs or new windows. - Native Integration: You can now officially set Telescopo as your Mac's default application for .md files. Improvements: - Drastically lower memory and CPU usage for a buttery-smooth, lightweight experience. - Improved rendering engines for Markdown, ePUB, SVG, CSV, and code files. - Better default scaling and native core-animation zoom behaviors. Fixes: - Fixed PDF export issues relating to embedded images. - Fixed SVG and Mermaid scaling cutoffs. - Fixed legacy zoom inconsistencies. - Improved overall Markdown compatibility for deeply nested elements.

The developer, Bad Command AI, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • BAD COMMAND AI, LLC
Size
  • 5.2 MB
Category
  • Developer Tools
Compatibility
Requires macOS 15.0 or later.
  • Mac
    Requires macOS 15.0 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 Telescopo