✔ Secure by design ✔ Render local and remote file URLs ✔ Granular access to remote origins ✔ Multiple markdown parsers ✔ Full control over the compiler options ✔ 30+ Themes ✔ Custom theme support ✔ GitHub Flavored Markdown (GFM) ✔ Auto reload on file change ✔ Syntax highlighted code blocks ✔ Table of Contents (ToC) ✔ MathJax formulas ✔ Mermaid diagrams ✔ Convert emoji shortnames ✔ Remember scroll position ✔ Markdown Content-Type detection ✔ Configurable Markdown file path detection ✔ Settings synchronization ✔ Raw and rendered markdown views ✔ Free and Open Source ✚ Full Documentation ✔ https://github.com/simov/markdown-viewer