Live Markdown Editor

View and edit Markdown files with live preview, outline and light/dark themes.

Live Markdown Editor is a fast, modern Markdown editor that runs entirely in your browser. ★ THREE VIEWS • Edit — distraction-free writing • Split — editor and preview side by side, scrolled together • Preview — clean, readable rendering ★ FEATURES • Live preview as you type, with GitHub-style tables, task lists and code highlighting • Outline sidebar built from your headings, with full-text search (accent-insensitive) • Open several files at once — each in its own tab • Formatting toolbar and keyboard shortcuts (bold, italic, links, lists, tables…) • Save directly to the original file, Save as, or Download • Print or save as PDF with a clean, print-friendly layout • Light and dark themes with smooth transitions • Adjustable font size, content width, line numbers, word wrap and scroll sync ★ PRIVATE BY DESIGN • Works fully offline — no account, no tracking, no analytics • Your files never leave your computer • Only one permission: storage (to remember your preferences) ★ HOW TO USE 1. Click the extension icon → Open Markdown Editor 2. Open or drag & drop .md files 3. Edit, preview and save Built with open-source software: CodeMirror, markdown-it, DOMPurify and highlight.js. Enjoying the extension? You can support development via Buy Me a Coffee, PayPal or MoMo (links in Settings → Support).