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Markdown Viewer

Preview, edit, and navigate Markdown files — 100% in your browser

Free online Markdown viewer

This Markdown viewer renders any .md file instantly in your browser — no account, no upload, no server. Paste your text, drag and drop a file, or type directly in the editor. The rendered preview updates live.

The viewer supports GitHub Flavored Markdown (GFM) — the same dialect used on GitHub, Notion, and most developer tools. That means tables, task lists, strikethrough, fenced code blocks with syntax highlighting, and autolinks all work out of the box.

Features

  • Live preview — rendered output updates as you type
  • Auto table of contents — clickable, collapsible sidebar generated from your headings
  • Full-text search — highlight and navigate all matches with Ctrl+F
  • Split edit/preview — write and see output side by side
  • Syntax highlighting — code blocks highlighted across 180+ languages
  • Zoom controls — adjust text size across both panes
  • Drag-and-drop upload — open any .md, .markdown, or .txt file
  • 100% private — all processing happens in your browser, nothing is sent anywhere

How to use this Markdown viewer

  1. Click Upload to open a .md file, or drag and drop one onto the tool
  2. Or click Start typing to begin writing Markdown from scratch
  3. Switch to Split mode to see edit and preview side by side
  4. Use the Contents sidebar to jump to any section
  5. Press Ctrl+F to search within the document
  6. Use −/+ to zoom the text size in both panes