InvioLite - Lightweight Professional Invoice Generator v1.0.0

Create beautiful, professional invoices, quotes, and proforma invoices with ease. No installation required – works entirely in your browser!

InvioLite is a modern, production-ready invoice generator built with vanilla JavaScript. Perfect for small businesses, freelancers, consultants, and anyone who needs to create professional invoices quickly without complex software or monthly subscriptions.

Key Features​

• Multiple Document Types – Create invoices, proforma invoices, and quotes
• Multi-Currency Support – TRY, USD, EUR, GBP with proper formatting
• Multi-Language Interface – 6 languages: Turkish, English, German, Italian, Bulgarian, Russian
• 5 Professional Templates – Classic Professional, Stripe Inspired, Commercial, Design, and Physical
• Live Preview – Real-time invoice preview that updates as you type
• Auto-Save & Backup – Automatically saves every 2 seconds, export/import JSON backups
• PDF Export – Generate high-quality PDF files using html2pdf.js
• Flexible Pricing – Configurable tax rates, percentage or fixed discounts
• Secure – XSS protection, input sanitization, safe DOM manipulation
• Responsive Design – Works perfectly on desktop, tablet, and mobile
• Easy Customization – Centralized configuration via config.json
• Accessible – ARIA labels, keyboard navigation, semantic HTML

Professional Templates​

Choose from 5 beautifully designed templates:

• Template 1: Classic Professional – Traditional business invoice with bold orange accent bar
• Template 2: Stripe Inspired – Clean, modern design inspired by Stripe invoices
• Template 3: Commercial – Professional B2B invoice with structured layout
• Template 4: Design – Creative and modern with purple gradient header
• Template 5: Physical – Traditional paper invoice style with borders

️ Technical Details​

Technology Stack:

• Vanilla JavaScript (ES6+)
• HTML5
• CSS3
• html2pdf.js (CDN-loaded)
• No frameworks required
• No build process

Browser Compatibility:

• Chrome (latest)
• Firefox (latest)
• Safari (latest)
• Edge (latest)

Quick Start​

1. Download and extract the files
2. Customize config.json with your company details
3. Add your logo file (optional – supports PNG, SVG, or text fallback)
4. Open index.html in a modern web browser
5. Start creating professional invoices!