Online Markdown to HTML Converter FREE Tool

Markdown to HTML Converter

Preview:

Guide

Paste or type your Markdown in the left text area. Use the middle text area to add custom CSS (optional).

Click "Convert" to render the HTML on the right. The HTML will include your custom CSS as a <style> tag.

The resulting HTML will appear on the right. You can download or copy the HTML code.

Use the "Reset" button to clear all inputs and outputs.


Mini Markdown Syntax Cheatsheet

  • # Heading 1 - Creates a top-level heading.
  • ## Heading 2 - Creates a second-level heading.
  • **Bold** - Makes text bold.
  • *Emphasized* - Makes text italicized.
  • ~~Strikethrough~~ - Adds strikethrough to text.
  • ---, ***, or ___ - Creates a horizontal rule.
  • `Inline code` - Formats text as inline code.
  • - List item - Creates a bullet list.
  • > Blockquote - Creates a blockquote.
Feature Details
Price Free
Rendering Client-Side Rendering
Language JavaScript
Paywall No

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About This Tool

This advanced Markdown to HTML Converter by TONTUF Tools is designed to simplify the process of converting Markdown content into HTML. It provides a modern, responsive, and user-friendly interface, equipped with several advanced features:

  1. Live Preview: The tool automatically converts Markdown into HTML as you type, allowing users to see real-time results.
  2. Custom CSS Integration: Users can add custom CSS styles directly into their HTML output for personalized formatting.
  3. Markdown Syntax Cheatsheet: A comprehensive guide to Markdown syntax is included, making it easier for beginners to learn and use Markdown effectively.
  4. Download and Copy HTML: Users can easily download the resulting HTML file or copy the code to their clipboard.
  5. Reset Functionality: Clear all inputs and outputs with a single click.
  6. Blockquotes, Links, and Code Syntax Highlighting: The tool supports advanced Markdown features such as blockquotes, inline code, code blocks, and a variety of link styles.

Whether you're a developer, writer, or student, this tool streamlines your workflow by bridging the gap between Markdown and HTML in a seamless and efficient manner.

How It Works?

This tool by TONTUF Tools converts Markdown into HTML in real-time, providing users with an efficient way to transform and style their Markdown content. Below is a detailed breakdown of how the tool works:

1. User Input

Markdown Input

  • Input Area: The left text area allows users to type or paste Markdown content. The tool supports common Markdown syntax, including headings, bold, italic, blockquotes, lists, links, images, code, and horizontal rules.
  • Real-Time Conversion: The tool listens to user input and processes it dynamically as you type.

CSS Input (Optional)

  • Input Area: A second text area is provided for users to write custom CSS.
  • Purpose: This CSS is directly applied to the generated HTML to allow users to style their output according to their preferences.
  • Example: Adding custom font sizes, colors, or layouts directly in the CSS input area.

2. Conversion Process

Parsing Markdown

The tool uses JavaScript to parse Markdown into corresponding HTML tags. Here's how it handles various Markdown syntax:

  • Headings: Markdown headings (e.g., # Heading 1, ## Heading 2) are converted to <h1>, <h2>, etc.
  • Bold: **Bold Text** is converted to <strong>Bold Text</strong>.
  • Italic: *Italic Text* is converted to <em>Italic Text</em>.
  • Blockquotes: > Blockquote is converted to <blockquote>Blockquote</blockquote>.
  • Lists:
    • Unordered lists (*, -, +) are wrapped in <ul> and <li> tags.
    • Ordered lists (e.g., 1. Item) are converted into <ol> and <li>.
  • Links:
    • [Inline Link](https://example.com) is converted to <a href="https://example.com">Inline Link</a>.
    • [Link with Title](https://example.com "Title") adds the title attribute to the <a> tag.
    • Reference links like [Reference Link][ref] are resolved based on their definitions (e.g., [ref]: https://example.com).
  • Images: Markdown images (![Alt Text](https://example.com/image.jpg)) are converted to <img> tags with src and alt attributes.
  • Code:
    • Inline code (\code`) is wrapped in`.
    • Code blocks (fenced by three backticks or indented) are wrapped in <pre><code>.
  • Horizontal Rules: ---, ***, or ___ are converted to <hr> tags.

3. Adding Custom CSS

When the user provides custom CSS in the second text area, the tool wraps it inside a <style> tag and appends it to the HTML output. This ensures that the custom styles are applied to the rendered HTML.

For example:

  • If the user inputs h1 { color: red; }, the resulting HTML will display all <h1> headings in red.

4. Rendering HTML Output

  • The HTML generated from the Markdown is displayed in the right panel dynamically.
  • If custom CSS is provided, it is injected into the HTML as a <style> block to modify the appearance.

5. Additional Features

Download HTML

  • The "Download HTML" button allows users to save the generated HTML file.
  • How it works: The tool creates a Blob object containing the HTML code and uses a <a> element to trigger the download.

Copy HTML

  • The "Copy HTML" button copies the generated HTML (including custom CSS) to the clipboard.
  • How it works: It uses the navigator.clipboard.writeText() API to copy the content.

Reset Button

  • Clears the Markdown input, CSS input, and HTML output with a single click.

6. Live Preview with Auto-Conversion

The tool supports real-time updates:

  • As users type in the Markdown input or CSS input, the HTML output is updated immediately.
  • This functionality is powered by JavaScript event listeners on the input event for both text areas.

7. Markdown Syntax Support

This tool adheres to common Markdown syntax. Below is a quick overview of supported features:

Feature Markdown Syntax HTML Output
Headings #, ##, ###, etc. <h1>, <h2>, <h3>, etc.
Bold **Bold** <strong>Bold</strong>
Italic *Italic* <em>Italic</em>
Strikethrough ~~Text~~ <del>Text</del>
Blockquotes > Quote <blockquote>Quote</blockquote>
Unordered List * Item, - Item, + Item <ul><li>Item</li></ul>
Ordered List 1. Item <ol><li>Item</li></ol>
Links [Text](URL) <a href="URL">Text</a>
Images ![Alt](URL) <img src="URL" alt="Alt">
Inline Code `Code` <code>Code</code>
Code Blocks ```Code``` <pre><code>Code</code></pre>
Horizontal Rules ---, ***, ___ <hr>

8. Advanced Features

Responsive Design

  • The interface adapts seamlessly to different screen sizes, making it user-friendly on desktops, tablets, and smartphones.

Markdown Syntax Cheatsheet

  • A built-in guide helps users learn Markdown syntax. This cheatsheet is located beneath the converter for easy access.
  • The tool handles nested Markdown elements like blockquotes, inline code, and various link types to support advanced formatting.

9. Technologies Used

  • HTML: Defines the tool's structure.
  • CSS: Provides styling and ensures a modern, visually appealing design.
  • JavaScript: Powers the Markdown-to-HTML conversion logic, interactivity, and real-time updates.

10. How to Use the Tool

  1. Enter Markdown: Type or paste your Markdown into the left input area.
  2. Add CSS: Optionally, provide custom CSS to style the HTML.
  3. View Live Preview: The HTML output updates automatically as you type.
  4. Copy or Download: Use the buttons to copy or download the HTML code.
  5. Reset: Clear all inputs and outputs with the "Reset" button.
F9XR

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