Simple CMS – Free markdown editor with YAML and TOML frontmatter

Summary: Simple CMS is a browser-based markdown editor supporting YAML and TOML frontmatter, designed for static site generators like Astro, Hugo, Next.js, and Jekyll. It operates offline without sign-up or installation, enabling quick editing and downloading of markdown files for direct deployment.

What it does

It allows users to drop or create markdown files, edit content and frontmatter with proper input handling, then download the updated file for use in static site repositories. The editor runs entirely in the browser without backend dependencies.

Who it's for

Developers and content creators working with static site generators who need a lightweight, privacy-focused markdown editor without account requirements.

Why it matters

It eliminates the complexity of manually editing frontmatter and markdown files, streamlining blog post creation for static sites without relying on paid or bloated CMS solutions.