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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>LiteDatum - Professional Schema Validation for Excel & CSV Files</title>
<meta name="description" content="Professional schema validation for Excel & CSV files. Zero-config vlite schema command assesses data cleaning feasibility in 30 seconds.">
<link rel="canonical" href="https://litedatum.com/">
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/* Schema Command Section */
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/* Excel/CSV Focus Section */
.excel-csv-section {
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.nav-links {
display: none;
}
}
</style>
</head>
<body>
<!-- Header -->
<header>
<nav class="container">
<div class="logo">LiteDatum</div>
<ul class="nav-links">
<li><a href="#schema">Schema Validation</a></li>
<li><a href="#excel-csv">Excel & CSV</a></li>
<li><a href="#resources">Resources</a></li>
<li><a href="https://github.com/litedatum/validatelite">GitHub</a></li>
</ul>
</nav>
</header>
<!-- Hero Section -->
<section class="hero">
<div class="container">
<h1>Professional <span class="highlight">Schema Validation</span><br>for Excel & CSV Files</h1>
<p class="subtitle">Zero-config data validation with the power of <code>vlite schema</code> command.<br>Get started in 30 seconds and validate your data like a pro.</p>
<div class="cta-buttons">
<a href="https://github.com/litedatum/validatelite" class="btn btn-primary">Start Validating Now</a>
<a href="#schema" class="btn btn-secondary">See Schema Command</a>
</div>
</div>
</section>
<!-- Schema Command Section -->
<section id="schema" class="schema-section">
<div class="container">
<div class="section-header">
<h2>The <code>vlite schema</code> Command</h2>
<p>Define your data contract once, validate everywhere. Perfect for data cleaning, type conversion assessment, and production quality checks.</p>
</div>
<div class="features-grid">
<div class="feature-card">
<h3>🎯 Define Your Schema</h3>
<p>Create a JSON schema that describes your current data and desired types.</p>
<div class="code-block">
{<br>
"legacy_users": {<br>
"rules": [<br>
{<br>
"field": "user_id",<br>
"type": "string",<br>
"desired_type": "integer"<br>
}<br>
]<br>
}<br>
}
</div>
</div>
<div class="feature-card">
<h3>⚡ Run Validation</h3>
<p>One simple command validates your entire dataset against the schema.</p>
<div class="code-block">
<span class="command">$ vlite schema --conn data.csv --rules schema.json</span>
</div>
</div>
<div class="feature-card">
<h3>📊 Get Detailed Reports</h3>
<p>Understand exactly what needs to be fixed before you start cleaning.</p>
<div class="code-block">
FIELD VALIDATION RESULTS<br>
========================<br>
Field: user_id<br>
<span style="color: #68d391;">✓ Field exists (string)</span><br>
<span style="color: #f56565;">✗ Type Conversion: 15 incompatible records</span>
</div>
</div>
</div>
</div>
</section>
<!-- Excel/CSV Focus Section -->
<section id="excel-csv" class="excel-csv-section">
<div class="container">
<h2>🚀 Excel & CSV Validation Made Easy</h2>
<div class="use-cases">
<div class="use-case">
<div class="icon">📊</div>
<h3>Data Cleaning Assessment</h3>
<p>Before you start cleaning messy datasets, know exactly what you're dealing with. ValidateLite assesses type conversion feasibility, saving you hours of guesswork.</p>
</div>
<div class="use-case">
<div class="icon">🔄</div>
<h3>Type Conversion Planning</h3>
<p>Converting string columns to integers, floats, or dates? Get a detailed report of which records will fail conversion before you write any cleaning code.</p>
</div>
<div class="use-case">
<div class="icon">⚙️</div>
<h3>CI/CD Integration</h3>
<p>Embed schema validation directly into your data pipelines. Catch data quality issues before they reach production.</p>
</div>
<div class="use-case">
<div class="icon">📈</div>
<h3>Production Monitoring</h3>
<p>Monitor data quality at every stage of your ETL/ELT processes. Prevent "garbage in, garbage out" scenarios.</p>
</div>
</div>
</div>
</section>
<!-- Resources Section -->
<section id="resources" class="resources-section">
<div class="container">
<div class="section-header">
<h2>📚 Resources & Guides</h2>
<p>Everything you need to master ValidateLite schema validation</p>
</div>
<div class="resources-grid">
<a href="https://github.com/litedatum/validatelite/blob/main/docs/usage.md" class="resource-card">
<h3>📖 Usage Guide</h3>
<p>Complete guide to all commands, data sources, rule types, and the Desired Type system</p>
</a>
<a href="https://github.com/litedatum/validatelite/blob/main/docs/CONFIG_REFERENCE.md" class="resource-card">
<h3>⚙️ Configuration Reference</h3>
<p>Learn how to configure ValidateLite via TOML files for advanced use cases</p>
</a>
<a href="https://github.com/litedatum/validatelite/blob/main/CONTRIBUTING.md" class="resource-card">
<h3>🤝 Contributing Guide</h3>
<p>Join our community! Learn how to contribute to ValidateLite development</p>
</a>
<a href="https://blog.litedatum.com/posts/Devlog01-data-validation-tool/" class="resource-card">
<h3>📝 DevLog #1: Building Zero-Config Tool</h3>
<p>Behind the scenes: How we built a data validation tool that requires zero configuration</p>
</a>
<a href="https://blog.litedatum.com/posts/Devlog02-Rethinking-My-Data-Validation-Tool/" class="resource-card">
<h3>🔄 DevLog #2: Platform Rethink</h3>
<p>Why we scrapped our half-built platform and focused on developer experience</p>
</a>
<a href="https://blog.litedatum.com/posts/Rule-Driven-Schema-Validation/" class="resource-card">
<h3>🎯 Rule-Driven Schema Validation</h3>
<p>Deep dive into our lightweight approach to schema validation and why it works</p>
</a>
<a href="what-is-schema-drift.html" class="resource-card">
<h3>📝 What is Schema Drift? Complete Guide</h3>
<p>Stop 3AM production failures! Learn what schema drift is, how it silently breaks ETL pipelines, and proven detection methods using ValidateLite for bulletproof data systems.</p>
</a>
<a href="database-schema-validation.html" class="resource-card">
<h3>📝 Database Schema Validation</h3>
<p>Master database schema validation to prevent pipeline failures, ensure data quality, and automate schema drift detection. Essential strategies for data engineers and architects.</p>
</a>
<a href="validateLite-vs-json-schema-validator.html" class="resource-card">
<h3>📝 ValidateLite vs. JSON Schema Validator</h3>
<p>Discover why JSON Schema Validator handles documents while ValidateLite validates database schemas. Learn which tool fits your data validation needs.</p>
</a>
<a href="data-validation-tools.html" class="resource-card">
<h3>📝 Data Validation Tools</h3>
<p>Discover how data validation tools prevent corrupt data from entering your systems. Learn essential validation techniques, explore schema validation methods using ValidateLite.</p>
</a>
<a href="database-validation-guide.html" class="resource-card">
<h3>📝 Database Validation Guide</h3>
<p>Master database validation techniques from constraints to application-layer checks. Learn referential integrity, foreign keys, and how validatelite protects your database.</p>
</a>
<a href="end-excel-data-validation-hell.html" class="resource-card">
<h3>📝 The End of Excel Data Validation Hell</h3>
<p>Stop wrestling with Excel's complex data validation rules. Discover ValidateLite's revolutionary Desired Type feature - the CSV validator that predicts data conversion success before migration.</p>
</a>
</div>
</div>
</section>
<!-- Footer -->
<footer>
<div class="container">
<div class="footer-content">
<div class="footer-section">
<h4>ValidateLite</h4>
<a href="https://github.com/litedatum/validatelite">GitHub Repository</a>
<a href="https://pypi.org/project/validatelite/">PyPI Package</a>
<a href="https://github.com/litedatum/validatelite/issues">Report Issues</a>
</div>
<div class="footer-section">
<h4>Documentation</h4>
<a href="https://github.com/litedatum/validatelite/blob/main/README.md">Getting Started</a>
<a href="https://github.com/litedatum/validatelite/blob/main/docs/usage.md">User Guide</a>
<a href="https://github.com/litedatum/validatelite/blob/main/docs/CONFIG_REFERENCE.md">API Reference</a>
</div>
<div class="footer-section">
<h4>Community</h4>
<a href="https://blog.litedatum.com">Technical Blog</a>
<a href="https://github.com/litedatum/validatelite/discussions">Discussions</a>
<a href="https://github.com/litedatum/validatelite/blob/main/CONTRIBUTING.md">Contribute</a>
</div>
</div>
<div style="border-top: 1px solid #4a5568; padding-top: 2rem; margin-top: 2rem;">
<p>© 2024 LiteDatum. Built by <a href="#" style="color: #68d391;">Charles Fan</a>, Senior Data Architect.</p>
<p style="margin-top: 0.5rem; opacity: 0.8; font-size: 0.9rem;">Licensed under MIT. Join our growing community of data professionals.</p>
</div>
</div>
</footer>
</body>
</html>