A fast, privacy-first online Markdown editor with real-time preview, GitHub Flavored Markdown, LaTeX math, Mermaid diagrams, and offline support.
Live Demo • Report Bug • Request Feature
Markdown Editor is a completely browser-based text editor built for developers, writers, and students. It combines the simplicity of writing in Markdown with powerful advanced features.
The best part? Your data never leaves your device. There is no backend, no analytics, and absolutely no tracking.
- ⚡ Real-time Markdown preview: See your formatting instantly as you type.
- 🛠️ GitHub Flavored Markdown (GFM): Fully supports tables, task lists, and strikethroughs.
- 📐 Advanced Rendering: Built-in LaTeX math rendering and Mermaid diagrams.
- 🎨 Syntax highlighting: Beautiful code blocks for your programming snippets.
- 🌐 Works fully offline (PWA): Install it on your device and use it anywhere without the internet.
- 🔒 Absolute Privacy: No sign-up, no tracking.
- Frontend Core: HTML, CSS, JavaScript.
- Architecture: 100% client-side.
- Storage Mechanism: Local storage only.
I built this tool to create a distraction-free, privacy-focused environment for formatting technical documents. It serves as a highly practical utility while showcasing modern web development techniques without relying on heavy frameworks.
https://oathanrex.github.io/markdown-editor/
This project is Open-source and free forever. Made with ❤️ by oathanrex
