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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Markdown to Fancy LaTeX Converter</title>
<script src="https://cdn.tailwindcss.com"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
<style>
.markdown-preview, .latex-output {
min-height: 300px;
max-height: 500px;
overflow-y: auto;
}
.markdown-preview {
border-right: 1px solid #e5e7eb;
}
@media (max-width: 768px) {
.markdown-preview {
border-right: none;
border-bottom: 1px solid #e5e7eb;
}
}
/* Syntax highlighting for markdown preview */
.markdown-preview h1 {
@apply text-2xl font-bold mb-4 text-blue-600;
}
.markdown-preview h2 {
@apply text-xl font-bold mb-3 text-blue-500;
}
.markdown-preview h3 {
@apply text-lg font-bold mb-2 text-blue-400;
}
.markdown-preview p {
@apply mb-4 text-gray-700;
}
.markdown-preview code {
@apply bg-gray-100 px-2 py-1 rounded text-sm font-mono text-pink-600;
}
.markdown-preview pre {
@apply bg-gray-800 text-gray-100 p-4 rounded mb-4 overflow-x-auto;
}
.markdown-preview blockquote {
@apply border-l-4 border-gray-400 pl-4 italic text-gray-600;
}
.markdown-preview ul, .markdown-preview ol {
@apply pl-8 mb-4;
}
.markdown-preview ul {
@apply list-disc;
}
.markdown-preview ol {
@apply list-decimal;
}
/* Animation for conversion */
@keyframes pulse {
0%, 100% {
opacity: 1;
}
50% {
opacity: 0.5;
}
}
.converting {
animation: pulse 1.5s infinite;
}
</style>
</head>
<body class="bg-gray-50 min-h-screen">
<div class="container mx-auto px-4 py-8">
<!-- Header -->
<header class="mb-8 text-center">
<h1 class="text-4xl font-bold text-gray-800 mb-2">
<i class="fas fa-code text-blue-500 mr-2"></i>
Markdown to Fancy LaTeX
</h1>
<p class="text-gray-600 max-w-2xl mx-auto">
Convert your Markdown documents to beautifully formatted LaTeX with this interactive tool.
See live previews and customize the output.
</p>
</header>
<!-- Main Content -->
<div class="bg-white rounded-xl shadow-lg overflow-hidden">
<!-- Toolbar -->
<div class="bg-gray-800 text-white px-4 py-3 flex flex-wrap items-center justify-between">
<div class="flex items-center space-x-2 mb-2 sm:mb-0">
<span class="font-medium">
<i class="fas fa-tools mr-1"></i> Tools
</span>
<button onclick="insertText('# ', 'markdown-input')" class="bg-blue-600 hover:bg-blue-700 px-3 py-1 rounded text-sm">
<i class="fas fa-heading mr-1"></i> H1
</button>
<button onclick="insertText('## ', 'markdown-input')" class="bg-blue-600 hover:bg-blue-700 px-3 py-1 rounded text-sm">
<i class="fas fa-heading mr-1"></i> H2
</button>
<button onclick="insertText('**bold**', 'markdown-input')" class="bg-blue-600 hover:bg-blue-700 px-3 py-1 rounded text-sm">
<i class="fas fa-bold mr-1"></i> Bold
</button>
<button onclick="insertText('*italic*', 'markdown-input')" class="bg-blue-600 hover:bg-blue-700 px-3 py-1 rounded text-sm">
<i class="fas fa-italic mr-1"></i> Italic
</button>
</div>
<div class="flex items-center space-x-2">
<button onclick="convertMarkdown()" class="bg-green-600 hover:bg-green-700 px-4 py-2 rounded font-medium">
<i class="fas fa-exchange-alt mr-2"></i> Convert
</button>
<button onclick="copyToClipboard('latex-output')" class="bg-purple-600 hover:bg-purple-700 px-4 py-2 rounded font-medium">
<i class="fas fa-copy mr-2"></i> Copy LaTeX
</button>
</div>
</div>
<!-- Editor and Preview Panes -->
<div class="grid grid-cols-1 md:grid-cols-2 divide-y md:divide-y-0 md:divide-x divide-gray-200">
<!-- Markdown Input -->
<div class="p-4">
<div class="flex justify-between items-center mb-2">
<h3 class="font-medium text-gray-700">
<i class="fas fa-edit text-blue-500 mr-2"></i> Markdown Input
</h3>
<button onclick="clearEditor()" class="text-red-500 hover:text-red-700 text-sm">
<i class="fas fa-trash-alt mr-1"></i> Clear
</button>
</div>
<textarea id="markdown-input" class="w-full h-64 p-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 font-mono" placeholder="Write your Markdown here..."># Sample Document
This is a **Markdown** to *LaTeX* converter.
## Features
- Live preview
- Easy formatting tools
- Clean LaTeX output
```python
def hello_world():
print("Hello, LaTeX!")
```
> Blockquotes are supported too!</textarea>
</div>
<!-- Markdown Preview -->
<div class="p-4 markdown-preview">
<h3 class="font-medium text-gray-700 mb-2">
<i class="fas fa-eye text-green-500 mr-2"></i> Markdown Preview
</h3>
<div id="markdown-preview" class="prose max-w-none"></div>
</div>
</div>
<!-- LaTeX Output -->
<div class="border-t border-gray-200 p-4">
<div class="flex justify-between items-center mb-2">
<h3 class="font-medium text-gray-700">
<i class="fas fa-file-alt text-purple-500 mr-2"></i> LaTeX Output
</h3>
<div id="converting-indicator" class="hidden text-sm text-gray-500 converting">
<i class="fas fa-spinner fa-spin mr-1"></i> Converting...
</div>
</div>
<pre id="latex-output" class="latex-output w-full p-4 bg-gray-100 rounded-lg font-mono text-sm overflow-x-auto"></pre>
</div>
</div>
<!-- Examples Section -->
<div class="mt-12 bg-white rounded-xl shadow-lg overflow-hidden">
<div class="bg-gray-100 px-4 py-3 border-b border-gray-200">
<h3 class="font-medium text-gray-800">
<i class="fas fa-lightbulb text-yellow-500 mr-2"></i> Markdown Examples
</h3>
</div>
<div class="p-4 grid grid-cols-1 md:grid-cols-3 gap-4">
<div class="border border-gray-200 rounded-lg p-3 hover:shadow-md transition-shadow cursor-pointer" onclick="loadExample('basic')">
<h4 class="font-medium text-blue-600 mb-2">Basic Document</h4>
<p class="text-sm text-gray-600">Headers, paragraphs, and basic formatting.</p>
</div>
<div class="border border-gray-200 rounded-lg p-3 hover:shadow-md transition-shadow cursor-pointer" onclick="loadExample('math')">
<h4 class="font-medium text-blue-600 mb-2">Math Equations</h4>
<p class="text-sm text-gray-600">Inline and block mathematical expressions.</p>
</div>
<div class="border border-gray-200 rounded-lg p-3 hover:shadow-md transition-shadow cursor-pointer" onclick="loadExample('table')">
<h4 class="font-medium text-blue-600 mb-2">Tables</h4>
<p class="text-sm text-gray-600">Simple and complex table structures.</p>
</div>
</div>
</div>
</div>
<script>
// Initialize the page
document.addEventListener('DOMContentLoaded', function() {
updateMarkdownPreview();
convertMarkdown();
});
// Update markdown preview in real-time
document.getElementById('markdown-input').addEventListener('input', function() {
updateMarkdownPreview();
});
// Convert markdown to LaTeX
function convertMarkdown() {
const markdown = document.getElementById('markdown-input').value;
const latexOutput = document.getElementById('latex-output');
const convertingIndicator = document.getElementById('converting-indicator');
// Show converting indicator
convertingIndicator.classList.remove('hidden');
latexOutput.textContent = '';
// Simulate processing delay for better UX
setTimeout(() => {
// Simple markdown to LaTeX conversion
let latex = markdown
// Headers
.replace(/^# (.*$)/gm, '\\section{$1}')
.replace(/^## (.*$)/gm, '\\subsection{$1}')
.replace(/^### (.*$)/gm, '\\subsubsection{$1}')
// Bold and italic
.replace(/\*\*(.*?)\*\*/g, '\\textbf{$1}')
.replace(/\*(.*?)\*/g, '\\textit{$1}')
.replace(/_(.*?)_/g, '\\textit{$1}')
// Code blocks
.replace(/```([a-z]*)\n([\s\S]*?)\n```/g, function(match, lang, code) {
return '\\begin{lstlisting}[language=' + (lang || 'text') + ']\n' + code + '\n\\end{lstlisting}';
})
.replace(/`([^`]+)`/g, '\\texttt{$1}')
// Lists
.replace(/^\s*\*\s(.*$)/gm, '\\item $1')
.replace(/^(\s*)\*\s(.*$)/gm, function(match, spaces, content) {
const depth = spaces.length / 2;
return '\\item'.repeat(depth) + ' ' + content;
})
.replace(/^([\s\S]*?)(?=\n\n)/gm, function(match) {
if (match.trim().startsWith('\\item')) {
return '\\begin{itemize}\n' + match + '\n\\end{itemize}';
}
return match;
})
// Blockquotes
.replace(/^>\s(.*$)/gm, '\\begin{quote}\n$1\n\\end{quote}')
// Horizontal rule
.replace(/^[-*]{3,}$/gm, '\\hrulefill')
// Links and images
.replace(/!\[(.*?)\]\((.*?)\)/g, '\\includegraphics{$2}')
.replace(/\[(.*?)\]\((.*?)\)/g, '\\href{$2}{$1}');
// Add document structure
latex = `\\documentclass{article}
\\usepackage{hyperref}
\\usepackage{listings}
\\usepackage{graphicx}
\\begin{document}
${latex}
\\end{document}`;
latexOutput.textContent = latex;
convertingIndicator.classList.add('hidden');
// Highlight LaTeX syntax
highlightLatexSyntax();
}, 800);
}
// Update markdown preview
function updateMarkdownPreview() {
const markdown = document.getElementById('markdown-input').value;
const preview = document.getElementById('markdown-preview');
// Simple markdown to HTML conversion for preview
let html = markdown
.replace(/^# (.*$)/gm, '<h1>$1</h1>')
.replace(/^## (.*$)/gm, '<h2>$1</h2>')
.replace(/^### (.*$)/gm, '<h3>$1</h3>')
.replace(/\*\*(.*?)\*\*/g, '<strong>$1</strong>')
.replace(/\*(.*?)\*/g, '<em>$1</em>')
.replace(/`([^`]+)`/g, '<code>$1</code>')
.replace(/```([a-z]*)\n([\s\S]*?)\n```/g, '<pre><code class="$1">$2</code></pre>')
.replace(/^\s*\*\s(.*$)/gm, '<li>$1</li>')
.replace(/^>\s(.*$)/gm, '<blockquote>$1</blockquote>')
.replace(/\n\n/g, '<br><br>')
.replace(/\n/g, '<br>');
preview.innerHTML = html;
}
// Insert text at cursor position
function insertText(text, elementId) {
const textarea = document.getElementById(elementId);
const startPos = textarea.selectionStart;
const endPos = textarea.selectionEnd;
const currentText = textarea.value;
textarea.value = currentText.substring(0, startPos) + text + currentText.substring(endPos);
textarea.selectionStart = textarea.selectionEnd = startPos + text.length;
textarea.focus();
updateMarkdownPreview();
}
// Copy LaTeX to clipboard
function copyToClipboard(elementId) {
const element = document.getElementById(elementId);
const text = element.textContent;
navigator.clipboard.writeText(text).then(() => {
// Show success feedback
const originalText = element.textContent;
element.textContent = 'Copied to clipboard!';
element.classList.add('text-green-600');
setTimeout(() => {
element.textContent = originalText;
element.classList.remove('text-green-600');
}, 2000);
}).catch(err => {
console.error('Failed to copy: ', err);
});
}
// Clear the editor
function clearEditor() {
if (confirm('Are you sure you want to clear the editor?')) {
document.getElementById('markdown-input').value = '';
document.getElementById('markdown-preview').innerHTML = '';
document.getElementById('latex-output').textContent = '';
}
}
// Load example markdown
function loadExample(type) {
let example = '';
switch(type) {
case 'basic':
example = `# Introduction
This is a **basic** Markdown document that demonstrates *common* formatting.
## Features
- Headers
- Emphasis (bold, italic)
- Lists
- Code blocks
\`\`\`python
def greet(name):
print(f"Hello, {name}!")
\`\`\`
> This is a blockquote demonstrating how quoted text appears.`;
break;
case 'math':
example = `# Mathematical Expressions
Inline math: $E = mc^2$
Display math:
$$
\\int_0^\\infty e^{-x^2} dx = \\frac{\\sqrt{\\pi}}{2}
$$
## Matrix Example
$$
\\begin{pmatrix}
1 & 2 & 3 \\\\
4 & 5 & 6 \\\\
7 & 8 & 9
\\end{pmatrix}
$$`;
break;
case 'table':
example = `# Tables in Markdown
| Syntax | Description | Test Text |
| :--- | :----: | ---: |
| Header | Title | Here's this |
| Paragraph | Text | And more |
## Complex Table
| Feature | Support |
| ------ | ------ |
| Tables | ✔️ |
| Alignment | ✔️ |
| Formatting | ✔️ |
| Multi-line | ✔️ |`;
break;
}
document.getElementById('markdown-input').value = example;
updateMarkdownPreview();
convertMarkdown();
}
// Simple LaTeX syntax highlighting
function highlightLatexSyntax() {
const latexOutput = document.getElementById('latex-output');
let html = latexOutput.textContent
.replace(/\\[a-zA-Z]+/g, '<span class="text-blue-600 font-bold">$&</span>')
.replace(/\{[^}]*\}/g, '<span class="text-green-600">$&</span>')
.replace(/\[[^\]]*\]/g, '<span class="text-purple-600">$&</span>')
.replace(/%[^\n]*/g, '<span class="text-gray-500 italic">$&</span>');
latexOutput.innerHTML = html;
}
</script>
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</html> |