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<!DOCTYPE html>
<html lang="en">
<head>
<meta name="msvalidate.01" content="9028AFE46A94712BEE22E85F62E03858" />
<!-- Google tag (gtag.js) -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-KVFQ29Q8VP"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'G-KVFQ29Q8VP');
</script>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- Primary SEO Meta Tags -->
<title>WebCraftStudio | Free Responsive Web Applications & Online Tools</title>
<meta name="title" content="WebCraftStudio | Free Responsive Web Applications & Online Tools">
<meta name="description" content="Explore WebCraftStudio's showcase of fast, lightweight, and responsive web applications including OmniCalc Pro Engine, currency calculators, file converters, and web developer tools.">
<meta name="keywords" content="web applications, omnicalc pro, calculation engine, currency calculator, online file converter, lightweight web apps, PWA showcase, developer utilities, web tools">
<meta name="robots" content="index, follow">
<meta name="author" content="WebCraftStudio">
<link rel="canonical" href="https://webcraftstudio.com/">
<!-- Open Graph / Facebook / WhatsApp -->
<meta property="og:type" content="website">
<meta property="og:url" content="https://webcraftstudio.com/">
<meta property="og:title" content="WebCraftStudio | Free Responsive Web Applications & Online Tools">
<meta property="og:description" content="Explore WebCraftStudio's showcase of fast, lightweight, and responsive web applications including OmniCalc Pro Engine, currency calculators, file converters, and developer utilities.">
<meta property="og:image" content="image-6.jpg">
<!-- Twitter Cards -->
<meta property="twitter:card" content="summary_large_image">
<meta property="twitter:url" content="https://webcraftstudio.com/">
<meta property="twitter:title" content="WebCraftStudio | Free Responsive Web Applications & Online Tools">
<meta property="twitter:description" content="Explore WebCraftStudio's showcase of fast, lightweight, and responsive web applications including OmniCalc Pro Engine, currency calculators, file converters, and developer utilities.">
<meta property="twitter:image" content="image-6.jpg">
<!-- Mobile & PWA Metadata -->
<meta name="theme-color" content="#0f172a">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="apple-mobile-web-app-title" content="WebCraft">
<!-- Preconnect CDNs for performance -->
<link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin>
<link rel="dns-prefetch" href="https://cdn.jsdelivr.net">
<!-- Open Source Add-to-Screen Component (PWABuilder CDN) -->
<script type="module" src="https://cdn.jsdelivr.net/npm/@pwabuilder/pwainstall"></script>
<!-- Schema.org JSON-LD Structured Data for Search Engines -->
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "WebSite",
"name": "WebCraftStudio",
"url": "https://webcraftstudio.com/",
"description": "A showcase of lightweight, responsive web applications and interactive utility tools.",
"potentialAction": {
"@type": "SearchAction",
"target": "https://webcraftstudio.com/?q={search_term_string}",
"query-input": "required name=search_term_string"
}
}
</script>
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "ItemList",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"item": {
"@type": "SoftwareApplication",
"name": "OmniCalc Pro Engine",
"operatingSystem": "All",
"applicationCategory": "EducationalApplication",
"url": "https://webdeveloper-cpu.github.io/WebCraftStudio/ominical_pro.html",
"description": "Multi-functional offline engine featuring 17 computation modes including scientific, calculus, vectors, and graphing."
}
},
{
"@type": "ListItem",
"position": 2,
"item": {
"@type": "SoftwareApplication",
"name": "Currency Calculator",
"operatingSystem": "All",
"applicationCategory": "FinanceApplication",
"url": "https://webcraftstudio.com/currency_calculator.html",
"description": "A fast, responsive web application for real-time exchange rates and quick conversions."
}
},
{
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"position": 3,
"item": {
"@type": "SoftwareApplication",
"name": "File Converter",
"operatingSystem": "All",
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"url": "https://webcraftstudio.com/file_converter.html",
"description": "Browser-based document utility tool for quick file adjustments and transformations."
}
}
]
}
</script>
<style>
/* Base Reset & Layout */
* {
box-sizing: border-box;
margin: 0;
padding: 0;
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
background-color: #f4f7f6;
color: #333;
line-height: 1.6;
display: flex;
flex-direction: column;
min-height: 100vh;
}
/* Header & Actions */
header {
background: linear-gradient(135deg, #1e293b, #0f172a);
color: #ffffff;
padding: 3rem 1.5rem;
text-align: center;
}
header h1 {
font-size: 2.5rem;
margin-bottom: 0.5rem;
}
header p {
color: #94a3b8;
max-width: 600px;
margin: 0 auto 1.5rem auto;
}
.header-actions {
display: flex;
flex-direction: column;
align-items: center;
gap: 1rem;
max-width: 400px;
margin: 0 auto;
}
.search-bar {
width: 100%;
padding: 0.75rem 1rem;
border-radius: 25px;
border: none;
outline: none;
font-size: 0.95rem;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.guide-btn {
background-color: transparent;
border: 1px solid #38bdf8;
color: #38bdf8;
padding: 0.5rem 1rem;
border-radius: 20px;
cursor: pointer;
font-size: 0.85rem;
transition: all 0.2s ease;
}
.guide-btn:hover {
background-color: #38bdf8;
color: #0f172a;
}
/* Customize PWABuilder Web Component Button */
pwa-install {
--install-button-color: #10b981;
--modal-z-index: 9999;
}
/* Main Showcase Container */
main {
flex: 1;
max-width: 1100px;
width: 100%;
margin: 2rem auto;
padding: 0 1.5rem;
}
.grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
gap: 1.5rem;
}
/* App Cards */
.card {
background: #ffffff;
border-radius: 10px;
padding: 1.5rem;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
transition: transform 0.2s ease, box-shadow 0.2s ease;
display: flex;
flex-direction: column;
justify-content: space-between;
overflow: hidden;
}
.card-thumb {
width: 100%;
height: 160px;
object-fit: cover;
border-radius: 6px;
margin-bottom: 1rem;
}
.card:hover {
transform: translateY(-5px);
box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}
.card h2 {
font-size: 1.25rem;
color: #0f172a;
margin-bottom: 0.5rem;
}
.card p {
font-size: 0.9rem;
color: #64748b;
margin-bottom: 1.25rem;
flex-grow: 1;
}
.tags {
display: flex;
gap: 0.5rem;
margin-bottom: 1.25rem;
flex-wrap: wrap;
}
.tag {
font-size: 0.75rem;
background-color: #e2e8f0;
color: #334155;
padding: 0.2rem 0.5rem;
border-radius: 4px;
font-weight: 600;
}
.btn {
display: inline-block;
text-align: center;
background-color: #2563eb;
color: #ffffff;
text-decoration: none;
padding: 0.6rem 1rem;
border-radius: 6px;
font-weight: 500;
font-size: 0.9rem;
}
/* Instructions Modal */
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position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(15, 23, 42, 0.75);
backdrop-filter: blur(4px);
display: flex;
justify-content: center;
align-items: center;
z-index: 10000;
padding: 1rem;
opacity: 0;
visibility: hidden;
transition: opacity 0.2s ease, visibility 0.2s ease;
}
.modal-overlay.active {
opacity: 1;
visibility: visible;
}
.modal-content {
background: #ffffff;
border-radius: 12px;
max-width: 600px;
width: 100%;
max-height: 85vh;
overflow-y: auto;
padding: 1.75rem;
position: relative;
box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}
.modal-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 1rem;
border-bottom: 1px solid #e2e8f0;
padding-bottom: 0.75rem;
}
.modal-header h2 {
font-size: 1.3rem;
color: #0f172a;
}
.close-modal {
background: none;
border: none;
font-size: 1.5rem;
cursor: pointer;
color: #64748b;
}
.browser-guide {
margin-bottom: 1.25rem;
}
.browser-guide h3 {
font-size: 1rem;
color: #2563eb;
margin-bottom: 0.3rem;
display: flex;
align-items: center;
gap: 0.5rem;
}
.browser-guide ol {
padding-left: 1.25rem;
font-size: 0.88rem;
color: #475569;
}
.browser-guide li {
margin-bottom: 0.2rem;
}
footer {
text-align: center;
padding: 1.5rem;
background-color: #0f172a;
color: #64748b;
font-size: 0.85rem;
}
.hidden {
display: none !important;
}
</style>
</head>
<body>
<!-- Header Section -->
<header>
<h1>WebCraftStudio</h1>
<p>A showcase of fast, lightweight, responsive web applications and interactive utility tools.</p>
<div class="header-actions">
<label for="searchInput" class="hidden">Search web applications</label>
<input type="search" id="searchInput" class="search-bar" placeholder="Search web apps..." aria-label="Search web applications">
<!-- Open Source Web Component for Add to Screen -->
<pwa-install
name="WebCraftStudio"
icon="image-6.jpg"
installbuttontext="📲 Add to Screen"
description="Access WebCraftStudio web apps directly from your home screen.">
</pwa-install>
<button class="guide-btn" id="openGuideBtn" aria-haspopup="dialog">❓ How to install manually</button>
</div>
</header>
<!-- Main Content Grid -->
<main>
<section aria-label="Web Application Directory">
<div class="grid" id="projectGrid">
<article class="card" data-title="omnicalc pro calculator scientific math calculus graphing stats vectors offline engine">
<div>
<img src="image-6.jpg" alt="OmniCalc Pro Engine Thumbnail" class="card-thumb">
<h2>OmniCalc Pro Engine</h2>
<p>Multi-functional offline engine featuring 17 computation modes including scientific, calculus, vectors, and graphing.</p>
<div class="tags">
<span class="tag">HTML5</span>
<span class="tag">JavaScript</span>
<span class="tag">Offline DB</span>
</div>
</div>
<a href="https://webdeveloper-cpu.github.io/WebCraftStudio/ominical_pro.html" class="btn" title="Launch OmniCalc Pro Engine">Launch App</a>
</article>
<article class="card" data-title="calculator exchange convert currency forex rates">
<div>
<img src="image-6.jpg" alt="Currency Calculator Thumbnail" class="card-thumb">
<h2>Currency Calculator</h2>
<p>A fast, responsive web application for real-time exchange rates and quick conversions.</p>
<div class="tags">
<span class="tag">HTML</span>
<span class="tag">CSS</span>
<span class="tag">JavaScript</span>
</div>
</div>
<a href="currency_calculator.html" class="btn" title="Launch Currency Calculator App">Launch App</a>
</article>
<article class="card" data-title="file converter utility document format transform">
<div>
<img src="image-6.jpg" alt="File Converter Thumbnail" class="card-thumb">
<h2>File Converter</h2>
<p>Browser-based document utility tool for quick file adjustments and transformations.</p>
<div class="tags">
<span class="tag">HTML</span>
<span class="tag">JS Engine</span>
</div>
</div>
<a href="file_converter.html" class="btn" title="Launch File Converter App">Launch App</a>
</article>
</div>
</section>
</main>
<!-- Instructions Modal -->
<div class="modal-overlay" id="guideModal" role="dialog" aria-labelledby="modalTitle" aria-hidden="true">
<div class="modal-content">
<div class="modal-header">
<h2 id="modalTitle">Add to Home Screen Instructions</h2>
<button class="close-modal" id="closeGuideBtn" aria-label="Close installation guide">×</button>
</div>
<div class="browser-guide">
<h3>🌐 Google Chrome (Android & Desktop)</h3>
<ol>
<li>Tap the <strong>three dots</strong> (⋮) in the top-right corner.</li>
<li>Select <strong>Add to Home screen</strong> or <strong>Install app</strong>.</li>
<li>Confirm by clicking or tapping <strong>Add</strong>.</li>
</ol>
</div>
<div class="browser-guide">
<h3>🧭 Apple Safari (iOS & iPadOS)</h3>
<ol>
<li>Tap the <strong>Share</strong> button (square with an upward arrow) at the bottom.</li>
<li>Scroll down the action sheet and select <strong>Add to Home Screen</strong>.</li>
<li>Tap <strong>Add</strong> in the top-right corner.</li>
</ol>
</div>
<div class="browser-guide">
<h3>🦊 Mozilla Firefox (Android)</h3>
<ol>
<li>Tap the <strong>three dots</strong> (⋮) next to the URL bar.</li>
<li>Tap <strong>Install</strong> or <strong>Add to Home screen</strong>.</li>
<li>Confirm the prompt.</li>
</ol>
</div>
<div class="browser-guide">
<h3>🌊 Microsoft Edge (Mobile & Desktop)</h3>
<ol>
<li>Tap/click the <strong>three dots</strong> (...) menu button.</li>
<li>Choose <strong>Add to phone</strong> (Mobile) or <strong>Apps > Install WebCraftStudio</strong> (Desktop).</li>
<li>Confirm installation.</li>
</ol>
</div>
<div class="browser-guide">
<h3>🔴 Opera Mini / Opera (Android)</h3>
<ol>
<li>Tap the <strong>Opera icon</strong> or three dots menu in the browser bar.</li>
<li>Select <strong>Home screen</strong> or tap <strong>+ Add to</strong>.</li>
<li>Choose <strong>Add to Home screen</strong>.</li>
</ol>
</div>
</div>
</div>
<footer>
<p>© 2026 WebCraftStudio. All rights reserved. Built with standard HTML, CSS, and JavaScript.</p>
</footer>
<!-- Scripts -->
<script>
document.addEventListener('DOMContentLoaded', () => {
// Search Filtering
const searchInput = document.getElementById('searchInput');
const projectCards = document.querySelectorAll('#projectGrid .card');
searchInput.addEventListener('input', (e) => {
const searchTerm = e.target.value.toLowerCase().trim();
projectCards.forEach(card => {
const cardData = card.getAttribute('data-title').toLowerCase();
const cardTitle = card.querySelector('h2').textContent.toLowerCase();
if (cardData.includes(searchTerm) || cardTitle.includes(searchTerm)) {
card.classList.remove('hidden');
} else {
card.classList.add('hidden');
}
});
});
// Modal Accessibility & Logic
const guideModal = document.getElementById('guideModal');
const openGuideBtn = document.getElementById('openGuideBtn');
const closeGuideBtn = document.getElementById('closeGuideBtn');
const openModal = () => {
guideModal.classList.add('active');
guideModal.setAttribute('aria-hidden', 'false');
};
const closeModal = () => {
guideModal.classList.remove('active');
guideModal.setAttribute('aria-hidden', 'true');
};
openGuideBtn.addEventListener('click', openModal);
closeGuideBtn.addEventListener('click', closeModal);
guideModal.addEventListener('click', (e) => {
if (e.target === guideModal) {
closeModal();
}
});
document.addEventListener('keydown', (e) => {
if (e.key === 'Escape' && guideModal.classList.contains('active')) {
closeModal();
}
});
});
</script>
</body>
</html>