Markdown Editor

Write and preview Markdown in real-time with our professional editor. Features auto-save, syntax highlighting, formatting toolbar, and instant HTML export. Perfect for documentation, README files, and content creation.

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Professional Markdown Editor with Live Preview

The Markdown Editor is a powerful, browser-based tool for writing and previewing Markdown documents in real-time. With split-view editing, comprehensive formatting toolbar, auto-save to local storage, and one-click HTML export, it's the perfect solution for developers, technical writers, bloggers, and anyone who works with Markdown. Create README files, documentation, blog posts, notes, and technical content with ease using our intuitive interface that shows exactly how your content will look as you type.

Why Use Our Markdown Editor?

Live Preview

See exactly how your Markdown will render as you type. The split-view shows formatted output in real-time, eliminating the guesswork from Markdown writing.

Auto-Save Protection

Never lose your work. The editor automatically saves to browser local storage every 500ms, protecting your content from accidental closure or crashes.

Rich Formatting Toolbar

Quick access to all Markdown elements: bold, italic, headings, lists, links, images, code blocks, tables, and quotes. No need to remember syntax.

Export Ready

Export your Markdown as styled HTML with one click. The HTML includes professional CSS styling ready for blogs, documentation sites, or email.

Key Features

  • Split-View Editor: Write Markdown on the left, see formatted preview on the right in real-time.
  • Formatting Toolbar: One-click buttons for bold, italic, headings, lists, links, images, code, tables, and quotes.
  • Auto-Save: Automatic saving to browser local storage every 500ms protects your work from loss.
  • Table Generator: Visual table insertion helper lets you specify rows and columns without writing Markdown syntax.
  • Link & Image Helpers: Dialog boxes for inserting links and images with URLs and descriptions.
  • Code Block Assistant: Insert syntax-highlighted code blocks with language selection (JavaScript, Python, Java, and 15+ more).
  • Image Upload: Upload images directly (under 5MB) and embed them as base64 data URLs for portable documents.
  • Word & Character Count: Real-time statistics show word count and character count as you write.
  • Full-Screen Mode: Distraction-free writing with full-screen toggle for maximum focus.
  • Export to HTML: One-click export to fully-styled HTML file ready for publishing or embedding.
  • Sample Document: Load a sample Markdown document to explore features and learn syntax.

Common Use Cases

README Files: Create professional README.md files for GitHub, GitLab, and Bitbucket repositories with formatted text, code examples, and screenshots.

Technical Documentation: Write API documentation, user guides, and technical specs with code blocks, tables, and hierarchical headings.

Blog Posts: Draft blog content in Markdown and export to HTML for publishing on WordPress, Medium, Ghost, or static site generators.

Note-Taking: Create structured notes with headings, lists, and code snippets for meetings, lectures, or research.

Project Wikis: Write wiki pages for internal documentation, knowledge bases, and team resources.

Email Drafts: Compose formatted emails in Markdown and export to HTML for rich-text email campaigns.

How to Use the Markdown Editor

  1. 1.Start typing in the left pane or use the formatting toolbar to insert Markdown elements. The preview updates instantly on the right.
  2. 2.Use helper dialogs for complex elements: click the table icon to insert tables, link icon for links, image icon for images, or code icon for code blocks.
  3. 3.Your work is automatically saved to browser storage. The green "Auto-saved" indicator confirms your content is protected.
  4. 4.When finished, click "Export HTML" to download a styled HTML file, or click "Export PDF" to access premium PDF export (requires upgrade).
  5. 5.Toggle full-screen mode for distraction-free writing or use the sample button to explore Markdown features with example content.

Markdown Syntax Guide

Headings

# Heading 1
## Heading 2
### Heading 3

Text Formatting

**bold text** or __bold text__
*italic text* or _italic text_
~~strikethrough~~
`inline code`

Lists

- Bullet item 1
- Bullet item 2

1. Numbered item 1
2. Numbered item 2

Links and Images

[Link text](https://example.com)
![Image alt text](https://example.com/image.jpg)

Code Blocks

```javascript
function hello() {
  console.log("Hello World!");
}
```

Tables

| Header 1 | Header 2 |
| --- | --- |
| Cell 1 | Cell 2 |
| Cell 3 | Cell 4 |

Quotes and Horizontal Rules

> This is a blockquote

---
(horizontal rule)

Toolbar Features Explained

Bold/Italic/Strikethrough: Format selected text with common text styles. Select text first, then click the button to wrap it.

H1/H2/H3 Buttons: Insert heading levels at cursor position. Headings create document structure and navigation.

List Buttons: Create bullet or numbered lists. Click to insert the list syntax at the current line.

Link Icon: Opens dialog to insert hyperlinks with custom text and URL without typing syntax manually.

Image Icon: Opens dialog to insert images by URL or upload files under 5MB as base64 embedded images.

Code Icon: Opens dialog to insert code blocks with language selection for syntax highlighting.

Table Icon: Opens table generator to create tables by specifying rows and columns visually.

Advanced Features (Premium)

Premium users get access to advanced capabilities for professional Markdown editing and collaboration:

  • Export to PDF: Generate beautifully formatted PDF documents from your Markdown with custom styling and branding.
  • Cloud Save & Sync: Save documents to the cloud and access them from any device with automatic synchronization.
  • Real-Time Collaboration: Invite team members to edit documents together with live cursors and instant updates.
  • Version History: Track changes over time and restore previous versions of your documents.
  • Custom Templates: Create and save Markdown templates for frequently used document types.
  • Advanced Export Options: Export to Word, Confluence, and other formats with formatting preservation.

Best Practices

Use Headings Hierarchically: Start with H1 for the title, H2 for sections, H3 for subsections. Don't skip levels.

Add Alt Text to Images: Always provide descriptive alt text for images to improve accessibility and SEO.

Use Code Blocks for Code: Wrap code in code blocks with language specification for proper syntax highlighting.

Keep Tables Simple: Markdown tables work best with 2-5 columns. Use external tools for complex tables.

Preview Before Export: Always check the preview pane to ensure your Markdown renders correctly before exporting.

Auto-Save and Privacy

The editor automatically saves your work to your browser's local storage every 500 milliseconds. This means your content is preserved even if you accidentally close the browser or navigate away. Your data never leaves your device - all editing, preview rendering, and storage happens entirely in your browser. No content is sent to our servers, ensuring complete privacy for sensitive documents, proprietary information, or personal notes.

Export Options

Export to HTML (Free)

The free HTML export generates a complete HTML file with professional CSS styling. The exported file includes:

  • • Responsive layout that works on all devices
  • • Professional typography with system fonts
  • • Syntax highlighting for code blocks
  • • Styled tables with borders and padding
  • • Proper heading hierarchy with styling
  • • Ready to upload to any website or blog

Export to PDF (Premium)

Premium PDF export provides additional customization and professional output:

  • • Custom page size and margins
  • • Header and footer customization
  • • Custom fonts and branding
  • • Table of contents generation
  • • Page numbering options

Keyboard Shortcuts

Ctrl/Cmd + B: Bold (planned)

Ctrl/Cmd + I: Italic (planned)

Ctrl/Cmd + K: Insert Link (planned)

Ctrl/Cmd + E: Code (planned)

Ctrl/Cmd + S: Save (auto-saved)

F11: Full Screen (browser)

Browser Compatibility

The Markdown Editor works in all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. For the best experience, we recommend using the latest version of Chrome or Firefox. The editor requires JavaScript enabled and uses browser local storage for auto-save functionality.

Frequently Asked Questions

Is my content saved automatically?

Yes! The editor auto-saves every 500ms to your browser's local storage. Your content persists even if you close the browser and return later.

Can I use this editor offline?

Once the page loads, the editor works completely offline. All features including preview, auto-save, and HTML export work without internet connection.

How do I insert images?

Click the image icon in the toolbar to open the image helper. You can paste an image URL or upload an image file (under 5MB) which will be embedded as base64.

What languages are supported for code blocks?

The code block helper supports 17+ languages including JavaScript, TypeScript, Python, Java, C++, C#, PHP, Ruby, Go, Rust, SQL, HTML, CSS, Bash, JSON, YAML, and Markdown.

Can I export to PDF for free?

PDF export is a premium feature. Free users can export to HTML which can be converted to PDF using browser print-to-PDF functionality (Ctrl/Cmd + P, then "Save as PDF").

How do I create tables easily?

Click the table icon in the toolbar to open the table generator. Specify the number of rows and columns, and the editor will insert the Markdown table syntax for you.

Is there a character or word limit?

No limits! Write documents of any length. The editor handles small notes to large documentation files equally well. Premium users also get unlimited cloud storage.