Markdown Opener

Open and read Markdown files beautifully in Chrome: local files, raw URLs, drag & drop, paste.

Markdown Opener turns raw .md files into clean, readable pages right in Chrome. OPEN MARKDOWN ANY WAY YOU LIKE • Local files: open any .md file from your computer and it renders automatically • Web files: raw Markdown URLs render automatically • GitHub & GitLab: right-click a file link → "Open link in Markdown Opener" • Viewer: open a file, drag & drop, paste text, or enter a URL • Live reload: files opened in the viewer re-render as you save them in your editor • Any plain-text page: right-click → "Render this page as Markdown" A GREAT READING EXPERIENCE • GitHub-flavoured Markdown: tables, task lists, strikethrough, alerts (NOTE, TIP, WARNING…) • Syntax highlighting for 40+ languages, with one-click copy on every code block • Sticky table of contents that follows your scroll position • Light, dark or system theme; adjustable width and font size • Front matter shown in a collapsible block • Word count and reading time HANDY TOOLS • Toggle between rendered and raw Markdown • Copy the Markdown source • Save as a standalone HTML file • Print or save as PDF • Keyboard shortcuts: t = contents, r = raw PRIVATE AND SAFE • No tracking, no analytics, no accounts • Everything runs locally; no data leaves your browser • All HTML in documents is sanitized to block scripts • Web pages are never modified; only plain-text Markdown documents are rendered To open local files, turn on "Allow access to file URLs" on the extension's Details page in chrome://extensions. The popup shows a shortcut when this is needed.