Markdown is a lightweight markup language that uses plain text formatting syntax to add structure to documents. For example, **text** becomes bold, # creates a heading, and - starts a bullet list. Created by John Gruber in 2004, it is used by GitHub, Reddit, Stack Overflow, Notion, and most modern documentation tools.

How do I use this Markdown editor?

Type or paste Markdown in the left editor pane. The rendered HTML preview updates live on the right. Use the toolbar buttons to insert formatting, or use keyboard shortcuts like Ctrl+B for bold, Ctrl+I for italic, and Ctrl+K for links. Use Templates to start from a README, Blog Post, Meeting Notes, Resume, or API Docs template.

Does this Markdown editor support GitHub Flavored Markdown (GFM)?

Yes. Full GitHub Flavored Markdown support includes tables with column alignment (left, center, right), task lists with checkboxes (- [ ] and - [x]), fenced code blocks with language labels, strikethrough (~~text~~), and auto-linked URLs.

How do I convert Markdown to HTML?

Click 'Copy HTML' to copy the rendered HTML output to your clipboard, or click 'Export HTML' to download a complete standalone HTML file with embedded CSS styles ready to open in any browser or publish online.

Can I use this as a GitHub README editor and previewer?

Yes. Select the README template to start with a GitHub-ready structure, then write and preview your README with full GFM rendering including tables, task lists, and code blocks. The preview closely matches how GitHub renders README files.

Is my content saved automatically?

Yes. Your content is automatically saved to your browser's localStorage every 500 milliseconds and restored the next time you open the editor. You can also download a .md file at any time using Ctrl+S or the Save button.

What keyboard shortcuts does this Markdown editor support?

Ctrl+B for bold, Ctrl+I for italic, Ctrl+K for inserting a link, Ctrl+` for inline code, Ctrl+S to download the .md file, Ctrl+F to open find and replace. Tab inserts 2 spaces. Brackets, parentheses, and quotes are auto-closed.

Can I open an existing Markdown file?

Yes. Click the 'Open' button in the toolbar to upload any .md or .txt file from your computer. The file content is loaded into the editor immediately.

How do I create a table in Markdown?

Use pipe characters to define columns: | Column 1 | Column 2 | on the first row, then |----------|----------| on the second row as a separator, then | Value 1 | Value 2 | for data rows. Click the Table button in the toolbar to insert a template automatically. You can align columns left (:--), center (:--:), or right (--:) using colons in the separator row.

How do I add a code block in Markdown?

Wrap your code with triple backticks: ```javascript on the opening line, your code in the middle, and ``` to close. Specify the language after the opening backticks for syntax label display (javascript, python, bash, etc.). For inline code, wrap it in single backticks: `code`.

Does this tool support task lists / checkboxes?

Yes. Write - [ ] for an unchecked task and - [x] for a checked task. These render as interactive-looking checkboxes in the preview, matching GitHub's task list rendering.

Can I write in fullscreen mode?

Yes. Click the fullscreen icon in the top-right corner of the toolbar to enter distraction-free fullscreen writing mode. The editor expands to fill your entire screen. Press the icon again to exit.

What document templates are included?

Five templates are included: README (for GitHub repositories), Blog Post (with a standard article structure), Meeting Notes (with agenda, discussion, and action items), Resume/CV (with experience, education, and skills sections), and API Documentation (with endpoints, parameters, and response examples). Select from the Templates menu in the toolbar.

MarkdownLn 1 · 166w · 1489c

# Welcome to the Markdown Editor ✨

Write **Markdown** on the left, see the live preview on the right.

## Text Formatting

You can make text **bold**, *italic*, ***both***, ~~strikethrough~~, ==highlighted==, or `inline code`.

## Headings

Use `#` for H1, `##` for H2, up to `######` for H6.

## Lists

**Unordered:**
- Item one
- Item two
  - Nested item
- Item three

**Ordered:**
1. First step
2. Second step
3. Third step

**Task list:**
- [x] Write the code
- [x] Test it thoroughly
- [ ] Deploy to production

## Blockquotes

> "The best way to predict the future is to invent it."
> — Alan Kay

## Code Blocks

```javascript
function greet(name) {
  return `Hello, ${name}!`;
}

console.log(greet("World"));
```

```python
def fibonacci(n):
    a, b = 0, 1
    for _ in range(n):
        yield a
        a, b = b, a + b
```

## Tables

| Name       | Role        | Status  |
|:-----------|:-----------:|--------:|
| Alice      | Designer    | ✅ Done |
| Bob        | Developer   | 🔄 WIP  |
| Carol      | QA Engineer | ⏳ Pending |

## Links & Images

[Visit ToolLance](https://toollance.com) — free tools for everyone.

![Sample image](https://via.placeholder.com/400x200/e8720c/ffffff?text=Markdown+Editor)

## Horizontal Rule

---

## Inline HTML support

You can even use <kbd>Ctrl</kbd> + <kbd>S</kbd> shortcut hints.

> 💡 **Tip:** Use the toolbar buttons above the editor to quickly insert formatting, or keyboard shortcuts like **Ctrl+B** for bold, **Ctrl+I** for italic.

Preview10h · 2🔗 · 2 code

Welcome to the Markdown Editor ✨

Write Markdown on the left, see the live preview on the right.

Text Formatting

You can make text bold, italic, both, ~~strikethrough~~, highlighted, or inline code.

Headings

Use # for H1, ## for H2, up to ###### for H6.

Lists

Unordered:

Item one
Item two
Nested item
Item three

Ordered:

First step
Second step
Third step

Task list:

Write the code
Test it thoroughly
Deploy to production

Blockquotes

"The best way to predict the future is to invent it."

— Alan Kay

Code Blocks

function greet(name) {
  return `Hello, ${name}!`;
}

console.log(greet("World"));

def fibonacci(n):
    a, b = 0, 1
    for _ in range(n):
        yield a
        a, b = b, a + b

Tables

Name	Role	Status
Alice	Designer	✅ Done
Bob	Developer	🔄 WIP
Carol	QA Engineer	⏳ Pending

Links & Images

https://toollance.com" target="_blank" rel="noopener noreferrer">Visit ToolLance — free tools for everyone.

https://via.placeholder.com/400x200/e8720c/ffffff?text=Markdown+Editor" alt="Sample image" style="max-width:100%;border-radius:6px;" />

Horizontal Rule

Inline HTML support

You can even use <kbd>Ctrl</kbd> + <kbd>S</kbd> shortcut hints.

💡 Tip: Use the toolbar buttons above the editor to quickly insert formatting, or keyboard shortcuts like Ctrl+B for bold, Ctrl+I for italic.

166 Words1,489 Chars77 Lines~1 min Read10 Headings2 Links1 Images2 Code blocksAuto-saved · Ctrl+B Bold · Ctrl+I Italic · Ctrl+K Link · Ctrl+F Find

Markdown Editor & Previewer

Welcome to the Markdown Editor ✨

Text Formatting

Headings

Lists

Blockquotes

Code Blocks

Tables

Links & Images

Horizontal Rule

Inline HTML support

Free Online Markdown Editor with Live Preview

What You Can Do

Who Uses an Online Markdown Editor?

Frequently Asked Questions

What is Markdown?

Does this support GitHub Flavored Markdown (GFM)?

Is my content saved?

How do I convert Markdown to HTML?

Can I use this as a GitHub README editor?

What keyboard shortcuts are available?

Can I open an existing .md file?

What is the difference between Markdown and HTML?