MerDoc
Documentation, diagrams, and slides. Without the hassle.
Tired of switching between tools? MerDoc is the all-in-one markdown platform for developers who prefer code over design. Create in minutes, not hours. Free, passwordless, and markdown-first.
All-in-one. No switching tools.
Other tools do one thing. MerDoc does it all. Create documentation, embed diagrams, and build slideshows—all in markdown, all in one place.
Embed diagrams in documents
Unlike Mermaid Chart or Mermaid Live, you can embed Mermaid diagrams directly in your markdown documents. No separate tools needed.
Free to use
Currently free. We may charge a minimal amount in the future, but for now, everything is free.
Just your email
Passwordless login means no passwords to remember. Just enter your email and you're in.
Create in minutes, not hours
Markdown-first tools that get out of your way. No design skills required.
Markdown Editor
Write in markdown with live preview. Syntax highlighting, code blocks, and keyboard-first workflow. No WYSIWYG, just code.
Image Management
Upload once, use anywhere. Automatic optimization and a simple media library. No complex asset management.
Slideshow Presentations
Create presentations in markdown. Separate slides with `---`, navigate with keyboard shortcuts. No PowerPoint needed.
Mermaid Diagrams
Create standalone diagram documents with full-screen viewing, interactive zoom/pan, and templates. All in markdown, no drag-and-drop.
Mermaid in Documents
Embed diagrams directly in your documents. Unlike Mermaid Chart or Mermaid Live, you can mix diagrams with documentation in one place. No switching tools.
Runnable Code Blocks
Execute code directly in your documents! Run JavaScript, TypeScript, Python, and render HTML. Like Jupyter notebooks, but in markdown.
Templates
Save and reuse document templates. Built-in templates for common use cases, or create your own. Start faster, stay consistent.
Tags & Organization
Organize documents with tags. Filter and discover content quickly. Keep your workspace organized without complex folder hierarchies.
Comments & Collaboration
Add threaded comments to documents. Collaborate with your team with discussion threads and context-aware feedback.
Easy Sharing
Share via email addresses or generate readonly share links. Simple permissions, no complex access controls.
Fast & Reliable
Built on Cloudflare's edge network. Fast load times, reliable uptime. Your documents are always accessible when you need them.
Passwordless Login
Just enter your email. No password to remember, no password manager needed. Magic link authentication keeps it simple and secure.
Ready to get started?
Start creating documentation, diagrams, and slideshows today. Free, passwordless, and markdown-first.
Sign In to Get Started