mdshare

Share markdown instantly. Free. No login required.

Live: mdshare.live | API Docs: mdshare.live/docs

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What is mdshare?

Upload a markdown file, get shareable links with different permissions, collaborate in a WYSIWYG editor. Zero accounts, zero setup. Works from the browser, terminal, or any AI chatbot.

Features

• Zero login -- everything is link-based, no accounts needed
• Four permission levels -- Admin, Edit, Comment, View -- each with its own shareable link
• WYSIWYG editor -- rich text editing with formatting toolbar, tables, code blocks
• Inline comments -- select text, leave comments anchored to specific sections with highlights
• Live presence -- see who's currently viewing the document
• Real-time updates -- changes appear across all connected browsers, tab title flashes on updates
• Display names -- set once, used for comments, edits, and presence
• API & AI-friendly -- full REST API, works with curl and AI chatbots
• Content sanitization -- XSS protection, binary file rejection, protocol whitelist
• Rate limiting -- abuse prevention on all write endpoints
• Link management -- revoke links instantly, optional expiration dates, 50-link cap per document
• Recent documents -- quickly access previously visited docs from the landing page
• Keyboard shortcuts -- Cmd+B/I/E for formatting, Cmd+\ for comments, Cmd+D to download
• Mobile responsive -- touch-friendly, collapsible panels, works on phones and tablets
• Rich link previews -- Open Graph tags for Slack, WhatsApp, and social media

Quick Start

Upload via browser

Go to mdshare.live, paste or drag-drop a .md file, and get your share links.

Upload via curl

curl -X POST https://mdshare.live/api/documents \
  -H "Content-Type: text/markdown" \
  --data-binary @your-file.md

Response:

{
  "document_id": "abc123",
  "admin_key": "adm_xK9mQ4r8...",
  "admin_url": "https://mdshare.live/d/abc123?key=adm_xK9mQ4r8..."
}

Read a document

curl -H "Accept: text/markdown" \
  "https://mdshare.live/api/d/{id}?key={key}"

Update a document

curl -X PUT "https://mdshare.live/api/d/{id}?key={edit_or_admin_key}" \
  -H "Content-Type: text/markdown" \
  --data-binary @updated.md

Generate a share link

curl -X POST "https://mdshare.live/api/d/{id}/links?key={admin_key}" \
  -H "Content-Type: application/json" \
  -d '{"permission": "edit", "label": "for-team"}'

View edit history

curl "https://mdshare.live/api/d/{id}/versions?key={key}"

Returns who edited, when, and via what (browser/api). The main GET endpoint also includes last_edited_by for quick checks.

Permissions

Key prefix	Level	Can do
adm_	Admin	Full control + manage links + delete
edt_	Edit	Read + write + comment
cmt_	Comment	Read + add comments
viw_	View	Read only

Links are freely forwardable. The admin key is the master key -- save it.

Tech Stack

Component	Technology
Framework	Next.js 16 (App Router)
Hosting	Cloudflare Workers (via OpenNext)
Database	Cloudflare D1 (SQLite)
Real-time	Cloudflare Durable Objects (WebSocket)
Editor	Tiptap + tiptap-markdown
Styling	Tailwind CSS v4
CI/CD	GitHub Actions

Local Development

git clone https://github.com/urbanmorph/mdshare.git
cd mdshare
npm install

# Create a .dev.vars file with your Cloudflare API token
echo "CLOUDFLARE_API_TOKEN=your_token" > .dev.vars

# Apply local D1 migrations
npx wrangler d1 migrations apply mdshare-db --local

# Start dev server
npm run dev -- -p 3737

Deployment

Pushes to main auto-deploy via GitHub Actions to Cloudflare Workers.

Manual deploy:

CLOUDFLARE_API_TOKEN=your_token npx opennextjs-cloudflare build && npx opennextjs-cloudflare deploy

API Documentation

Full API docs at mdshare.live/docs.

Raw markdown version:

curl https://mdshare.live/docs/raw

License

MIT