The simplest way to edit Markdown files with YAML & TOML frontmatter — completely in your browser.

Features

  • 100% client-side – Nothing ever leaves your browser

  • No sign-up, no installation, works offline

  • Full YAML and TOML frontmatter support

  • Notion-style rich text editor

  • Smart field detection (dates → datetime picker, tags → array editor, etc.)

  • Auto-generates slug from title

  • Auto-save drafts to IndexedDB

  • Copy or download updated Markdown instantly

  • Built with React + Vite + Bun (blazing fast)

Built for:

  • Astro

  • Hugo

  • Next.js

  • Jekyll

  • Eleventy

  • Hexo

  • Gatsby

  • VuePress

  • and more!

Usage

  1. Drag & drop any .md file OR click “Start Fresh” for a new post

  2. Edit frontmatter & content

  3. Click Download or Copy when done