Download
Neiki's Markdown Editor is a lightweight, browser-based live Markdown editor that provides instant preview in a clean GitHub-style layout. It allows users to write Markdown on one side and see rendered output in real time on the other, with full support for GitHub Flavored Markdown, syntax highlighting, and responsive split-pane editing.
Built with vanilla JavaScript and CDN-based dependencies, it requires zero setup or build tools. The editor includes a modern toolbar, keyboard shortcuts, dark/light theme switching, export to .md, and mobile-friendly interface. It is designed for simplicity, performance, and safe rendering with built-in XSS protection.
Features
- ⚡ Real-time preview – instant Markdown rendering while typing
- 📝 GitHub Flavored Markdown support – tables, task lists, strikethrough and more
- 🎨 Syntax highlighting – code blocks highlighted with Highlight.js
- 🌙 Dark / Light mode – theme toggle with saved user preference
- 🧰 Toolbar editor – quick insert for headings, bold, links, images, tables
- ⌨️ Keyboard shortcuts – fast formatting (bold, italic, links, code, etc.)
- 📤 Export to .md – download your document as a Markdown file
- 📐 Resizable split view – adjustable editor/preview layout
- 📱 Mobile-friendly UI – tab-based switching for small screens
- 🔒 XSS protection – sanitized output using DOMPurify
Project Samples
Categories
Markdown EditorsLicense
MIT LicenseFollow Neiki's Markdown Editor
Other Useful Business Software
Our Free Plans just got better! | Auth0
You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
Rate This Project
Login To Rate This Project
User Reviews
Be the first to post a review of Neiki's Markdown Editor!