Create & Share Markdown Documents for Free
MarkHash is a privacy-first Markdown editor that stores nothing on any server.
Share your document with anyone using just a URL.
No installation, no login required — start writing right away.
Features
A simple set of features for creating and sharing Markdown documents.
URL Sharing
Share your Markdown document with just a URL. You can also resume editing from the same URL.
Live Preview
Edit while checking the final output. Toggle between split view and hidden preview.
Dedicated Preview Page
Full-screen preview optimized for reading. Includes a table of contents for comfortable reading of long documents.
Mermaid Syntax
Mermaid diagrams are supported too — share flowcharts and sequence diagrams with ease.
Format
One-click Markdown formatting with the Beautify button. No external formatter or setup needed.
Theme Switcher
6 themes available, from classic light/dark to colorful options. Edit and share in your preferred style.
How MarkHash Compares
Focused on creating and sharing temporary documents. Use the features you need — free and hassle-free.
| Feature | MarkHash | Full-featured Markdown editors | Note sharing apps |
|---|---|---|---|
| Account registration | Not required | Optional (limited without account) | Required |
| Share documents via URL | Available | Available | Available |
| Document sent to server | None | Yes | Yes |
| Markdown support | Full | Full | Limited |
| Real-time collaborative editing | Not available | Available | Available |
FAQ
MarkHash is a free online Markdown editor that lets you share documents with just a URL. No account registration or installation needed — both the sender and receiver can get started right away by opening a web browser.
It's ideal for creating and sharing temporary documents such as meeting notes and research summaries. Even confidential content won't be sent to any server. You can also use it to draft AI prompts or organize ideas in a split browser tab, or to format and preview a Markdown file you found online.
No. All processing related to creating and sharing Markdown happens entirely in your browser.
Your Markdown document is compressed and embedded directly into the URL. This allows you to share documents via URL alone, without any server-side storage.
No. Since the Markdown document is embedded in the URL, anyone with the URL can restore its contents at any time. Be careful not to share documents containing passwords or other confidential information in public places like social media.
Ready to give it a try?
No installation or account registration needed. Why not take a look at this free, convenient Markdown editor?