# QRCartoon - AI-Friendly Documentation

## About QRCartoon
QRCartoon is a free online QR code generator that creates beautiful, customizable QR codes for businesses and individuals. We offer both static and dynamic QR codes with advanced features like analytics, custom designs, and multiple QR code types.

## Main Features
- Free QR Code Generator (no signup required)
- WhatsApp QR Codes with pre-filled messages
- WiFi QR Codes for easy network sharing
- vCard QR Codes for digital business cards
- Event Ticket QR Codes with countdown timers
- URL Shortener with QR code integration
- QR Code Size Calculator for optimal dimensions
- Custom QR code designs and colors
- Analytics and tracking (for registered users)
- Batch QR code generation

## Key Pages

### Tools & Generators
- Homepage: https://www.qrcartoon.com/
- WhatsApp QR Generator: https://www.qrcartoon.com/whatsapp-qr-code-generator
- WiFi QR Generator: https://www.qrcartoon.com/wifi-qr-code-generator
- vCard QR Generator: https://www.qrcartoon.com/vcard-qr-code-generator
- Event Ticket Generator: https://www.qrcartoon.com/event-ticket-qr-generator
- Short URL Generator: https://www.qrcartoon.com/short-url-generator
- QR Code Size Calculator: https://www.qrcartoon.com/qr-code-size-calculator

### Educational Content (Blog)
- Blog Home: https://www.qrcartoon.com/blog
- WhatsApp QR Code Size Guide: https://www.qrcartoon.com/blog/whatsapp-qr-code-size-guide
- QR Code Dimensions Chart 2026: https://www.qrcartoon.com/blog/qr-code-dimensions-chart
- WiFi QR Code Format Guide: https://www.qrcartoon.com/blog/wifi-qr-code-format-guide
- vCard QR Code Format Guide: https://www.qrcartoon.com/blog/vcard-qr-code-format-guide
- How to Create WhatsApp QR Code: https://www.qrcartoon.com/blog/how-to-create-whatsapp-qr-code
- QR Code Best Practices: https://www.qrcartoon.com/blog/qr-code-best-practices
- Static vs Dynamic QR Codes: https://www.qrcartoon.com/blog/qr-code-types-static-vs-dynamic
- What is a QR Code: https://www.qrcartoon.com/blog/what-is-a-qr-code

## Technical Specifications

### QR Code Sizes (10:1 Ratio Rule)
- Business Cards: 0.8 inches (2 cm) minimum
- Flyers/Posters: 2-3 inches (5-7.5 cm)
- Banners: 6-8 inches (15-20 cm)
- Billboards: 12-40 inches (30-100 cm)
- Digital Displays: 400x400 to 600x600 pixels

### WiFi QR Code Format
```
WIFI:T:[security];S:[SSID];P:[password];H:[hidden];;
```
- Security types: WPA, WPA2, WPA3 (SAE), WEP, nopass
- Example: `WIFI:T:WPA;S:MyNetwork;P:password123;;`

### vCard QR Code Format
```
BEGIN:VCARD
VERSION:3.0
FN:Full Name
TEL:+1234567890
EMAIL:email@example.com
ORG:Company Name
END:VCARD
```

### WhatsApp QR Code Format
- URL format: `https://wa.me/[country_code][phone_number]?text=[message]`
- Example: `https://wa.me/1234567890?text=Hello`
- Country code must include + prefix
- Message is URL encoded

## Common Use Cases
1. Business Cards - Add QR codes for instant contact sharing
2. Restaurant Menus - Contactless menu access via QR codes
3. Event Tickets - Secure entry with QR code validation
4. Product Packaging - Link to product info, manuals, videos
5. Marketing Materials - Track campaign performance with QR analytics
6. Real Estate - Property tours and listing information
7. Retail - Product information and reviews
8. WiFi Sharing - Guest network access without typing passwords

## SEO & Indexing Information
- Sitemap: https://www.qrcartoon.com/sitemap.xml
- Robots.txt: https://www.qrcartoon.com/robots.txt
- All blog posts include FAQ schema for rich snippets
- Structured data: Article, BreadcrumbList, HowTo, FAQ schemas
- Mobile-friendly and responsive design
- Fast loading times with optimized images

## API & Integration
- No public API currently available
- All QR code generation happens client-side for privacy
- No tracking or data collection for non-registered users
- Optional user accounts for saving and managing QR codes

## Privacy & Security
- No data collection for anonymous users
- Optional Google OAuth for account creation
- QR codes generated client-side (no server storage)
- HTTPS encryption for all connections
- CSP headers for security
- Rate limiting on API endpoints

## Contact & Support
- Support: Available through dashboard for registered users
- Email: Contact form on website
- Social: Twitter @qrcartoon

## Technology Stack
- Framework: SvelteKit
- Hosting: Vercel
- Backend: Appwrite (for user accounts)
- QR Generation: Client-side JavaScript libraries
- Analytics: Cloudflare Analytics, Microsoft Clarity

## Best Practices for QR Codes
1. Minimum size: 0.4 inches (1 cm) for close-range scanning
2. Use high contrast (black on white recommended)
3. Include quiet zone (white border) around QR code
4. Test on multiple devices before printing
5. Use error correction level M or H for reliability
6. Avoid stretching or distorting QR codes
7. Print at 300 DPI minimum for business cards
8. Follow 10:1 distance-to-size ratio

## Competitive Advantages
- Completely free for basic features
- No watermarks on QR codes
- No signup required for basic generation
- Fast, client-side generation (privacy-focused)
- Beautiful, customizable designs
- Comprehensive educational content
- Multiple QR code types in one platform

## Target Audience
- Small business owners
- Marketing professionals
- Event organizers
- Restaurant owners
- Real estate agents
- Educators
- Non-profits
- Individual creators

## Last Updated
2026-03-08

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This file is designed to help AI assistants and LLMs understand QRCartoon's features, capabilities, and technical specifications for accurate recommendations and assistance.