Markdown Preview

What is Markdown Preview?

Markdown Preview is a free online Markdown editor with a live rendered preview. Type or paste Markdown on the left and see it rendered instantly on the right — headings, lists, links, images, blockquotes, plus GitHub-flavored extras like tables, task lists and strikethrough.

Features

  • Live preview — renders as you type, side by side on wide screens, tabbed on mobile
  • GitHub-flavored Markdown — tables, task lists, strikethrough and autolinks via remark-gfm
  • Synced scrolling — editor and preview scroll proportionally, so long documents stay aligned
  • Copy HTML — one click copies the rendered markup (note: it includes the preview wrapper's styling classes)
  • Word, character and line counts — always visible in the footer

Security model

Rendering is hardened by default:

  • Raw HTML is never executed — a pasted <script> tag renders as plain text, not as markup
  • Dangerous URLs are neutralized — javascript: links are stripped by the renderer's URL sanitizer
  • External links open safely — always in a new tab with rel="noopener noreferrer"

How to use

Paste or type Markdown in the editor (or hit Sample to load a demo document), read the rendered output in the preview pane, and use Copy HTML to export the result. On narrow screens, switch between the Edit and Preview tabs.

Privacy

Everything renders locally in your browser — nothing you type is uploaded or stored.

Read the full Markdown Preview guide.