md-viewer

A fast, lightweight markdown viewer for Linux built with Rust and egui. Designed for distraction-free reading with excellent typography and syntax highlighting.

Rendering:

• GitHub Flavored Markdown (tables, task lists, footnotes)
• Syntax highlighting for 200+ languages
• Mermaid diagrams (flowcharts, sequence diagrams) rendered natively, click to enlarge
• Math rendering (LaTeX via typst)
• Resizable table columns - drag dividers to fit content
• HTML tables with proper cell padding
• Images and SVG support (PNG, JPEG, GIF, SVG, HTTP URLs) - click images to enlarge
• Unicode support with system font fallbacks (emojis, CJK, non-Latin scripts)
• 60 FPS rendering with viewport-based lazy rendering
• WCAG 2.1 compliant typography (1.5x line height)

Navigation:

• Tab system for multiple documents (Ctrl+Click links to open in new tab)
• In-document search (Ctrl+F) with inline highlights and Enter/Shift+Enter to cycle
• File explorer sidebar with hierarchical directory tree
• Outline sidebar with click-to-navigate table of contents
• Per-tab back/forward history (Alt+Left/Right)
• Internal links between markdown files

View:

• Dark and light themes (Ctrl+D)
• Zoom 50%-300% (Ctrl++/-/0 or Ctrl+Scroll)
• Full-width content toggle (View menu) to use the entire content pane
• Shift+Scroll over a wide table scrolls it horizontally
• Live reload on file changes (enabled by default)

Usability:

• Drag and drop files to open
• Native file dialogs
• Session persistence (tabs, theme, zoom, sidebar state)
• Native X11 and Wayland support