treemd – modern Markdown viewer

treemd is a modern markdown viewer combining tree-based navigation with interactive TUI.

Launch without flags for interactive mode with dual-pane interface, vim-style navigation, syntax highlighting, and real-time search. Use flags for CLI mode to extract, filter, and analyze markdown structure.

This is free and open source software.

Features include:

• Interactive TUI:
  • Dual-pane interface – Navigate outline while viewing content.
  • Interactive mode – Navigate, edit, and interact with all markdown elements (tables, checkboxes, links, code blocks).
  • Table navigation & editing – Navigate cells with vim keys (hjkl), edit cell content in-place, copy cells/rows/tables.
  • Checkbox toggling – Toggle task list items with instant file updates.
  • Live editing – Edit files in default editor with auto-reload (respects $VISUAL/$EDITOR).
  • Link following – Follow markdown links with visual popup, supports anchor/file/wikilink/external URLs.
  • Navigation history – Back/forward between files with full state preservation.
  • Syntax highlighting – 50+ languages with full syntect integration.
  • Vim-style navigation – j/k, g/G, d/u, p (parent) for efficient browsing.
  • Search & filter – Press / to filter headings in real-time.
  • Collapsible tree – Expand/collapse sections with Space/Enter.
  • Bookmarks – Mark positions (m) and jump back (‘).
  • Adjustable layout – Toggle outline visibility, resize panes.
  • Rich rendering – Bold, italic, inline code, lists, blockquotes, code blocks, tables with box-drawing characters.
• CLI Mode:
  • Query language – jq-like syntax for extracting markdown elements (-q ‘.h2 | text’).
  • List headings – Quick overview of document structure.
  • Tree visualization – Hierarchical display with box-drawing.
  • Section extraction – Extract specific sections by heading name.
  • Smart filtering – Filter by text or heading level.
  • Multiple formats – Plain text, JSON output.
  • Statistics – Count headings by level.
  • Stdin support – Pipe markdown content (cat doc.md | treemd -q ‘.h’).

Website: github.com/epistates/treemd
Support:
Developer:
License:

treemd is written in Rust. Learn Rust with our recommended free books and free tutorials.

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