VAT Calculator 🧮

A modern, fast, and free online VAT calculator with elegant glassmorphism design and dark mode support.

📋 Description

A fully-featured VAT (Value Added Tax) calculator with a modern interface based on glassmorphism design principles. Supports both adding and extracting VAT for all Russian tax rates with real-time calculations.

✨ Key Features

• ✅ Two calculation modes: Add VAT and Extract VAT
• ✅ Russian tax rates: 20%, 10%, 0% + custom rate support
• ✅ Real-time calculations as you type
• ✅ Dark mode with localStorage persistence
• ✅ Copy to clipboard functionality
• ✅ Fully responsive design for all devices
• ✅ Keyboard shortcuts for power users
• ✅ SEO optimized with Schema.org markup
• ✅ Accessibility compliant (WCAG AA)
• ✅ Zero dependencies - pure vanilla JavaScript

🛠️ Technologies

• HTML5 - Semantic markup
• CSS3 - Modern styling with CSS variables, Grid, Flexbox
• JavaScript (ES6+) - Vanilla JS, no frameworks
• Google Fonts - Inter font family

🌐 Деплой

Сайт автоматически публикуется на GitHub Pages: https://rusik09.github.io/vat-calc/