📱 QR Code Generator & Scanner

Create custom QR codes with advanced options or scan existing QR codes using your camera or by uploading images. Perfect for contact sharing, WiFi credentials, URLs, and more.

🔍 What are QR Codes?

QR (Quick Response) codes are two-dimensional barcodes that can store various types of data, from simple text to complex information like contact details, WiFi credentials, or payment information. They’re widely used due to their:

• Fast Scanning: Instant recognition by most smartphone cameras
• Error Correction: Built-in redundancy allows scanning even when partially damaged
• Versatility: Can encode text, URLs, contact info, WiFi passwords, and more
• Offline Access: No internet required for basic functionality

🎯 QR Code Types & Examples

📍 URL/Website

https://example.com

Perfect for sharing websites, landing pages, or social media profiles.

📧 Email

mailto:user@example.com?subject=Hello&body=Message

Opens the user’s email app with pre-filled recipient, subject, and body.

📞 Phone Number

tel:+1234567890

Allows users to call a number with one scan.

💬 SMS

sms:+1234567890?body=Hello there!

Opens SMS app with pre-filled number and message.

🌐 WiFi Network

WIFI:T:WPA;S:NetworkName;P:password;H:false;

Automatically connects devices to your WiFi network.

👤 vCard Contact

BEGIN:VCARD
VERSION:3.0
FN:John Doe
ORG:Company Name
TEL:+1234567890
EMAIL:john@example.com
URL:https://johndoe.com
END:VCARD

Adds contact information directly to the user’s address book.

📍 Geographic Location

geo:40.7128,-74.0060

Opens maps app pointing to specific coordinates (latitude, longitude).

🎪 Event

BEGIN:VEVENT
SUMMARY:Meeting
DTSTART:20241225T120000Z
DTEND:20241225T130000Z
LOCATION:Conference Room
DESCRIPTION:Team meeting
END:VEVENT

Adds events to calendar applications.

⚙️ Advanced Features

🎨 Customization Options

• Size Control: Generate QR codes from 100px to 500px
• Color Themes: Custom foreground and background colors
• Error Correction Levels: Choose the right balance between data density and reliability
• Format Options: Export as PNG, JPG, or SVG

🛡️ Error Correction Levels

📱 Scanner Capabilities

• Live Camera Scanning: Real-time QR code detection
• File Upload: Scan QR codes from existing images
• Multi-format Support: Works with PNG, JPG, JPEG files
• Instant Results: Copy scanned content with one click

💼 Business Use Cases

🏪 Retail & Restaurants

• Digital Menus: Contactless menu viewing
• Product Information: Detailed specifications and reviews
• Payment Processing: Quick mobile payments
• Loyalty Programs: Easy membership signup and rewards

🏢 Corporate & Events

• Contact Sharing: Digital business cards
• Event Check-in: Streamlined registration process
• WiFi Access: Guest network credentials
• Document Access: Links to presentations or resources

🎓 Education & Training

• Resource Links: Quick access to online materials
• Assignment Submission: Direct links to submission portals
• Interactive Content: AR experiences or multimedia content
• Attendance Tracking: Quick check-in systems

🏠 Personal Use

• Home WiFi: Guest network sharing
• Contact Info: Personal digital business cards
• Social Media: Quick profile following
• Location Sharing: Meeting point coordinates

🔧 Technical Specifications

📊 Data Capacity

🎯 Best Practices

1. Keep It Simple: Shorter content = easier scanning
2. Test Thoroughly: Verify with multiple devices and apps
3. Contrast Matters: Ensure dark modules on light backgrounds
4. Size Appropriately: Minimum 2cm x 2cm for reliable scanning
5. Print Quality: Use vector formats for professional printing

🚨 Common Mistakes

• Low Contrast: Light gray on white backgrounds