Free Online QR Code Generator
Transform texts, URLs, phone numbers and much more into scannable QR Codes. Customize the size and download for free in high quality.
Advanced QR Code Generator
Size: 400x400 pixels
Margin: 4 modules
Enter a text or URL above to generate the QR Code
📱 What is a QR Code?
QR Code (Quick Response Code) is a two-dimensional barcode that can store various types of information and be read by smartphones.
💡 Supported content types:
• URLs: https://yoursite.com
• Plain text: Any message
• Email: mailto:email@example.com
• Phone: tel:+1234567890
• SMS: smsto:+1234567890:Message
• WhatsApp: https://wa.me/1234567890
• Wi-Fi: WIFI:T:WPA;S:NetworkName;P:password;;
• vCard: Contact information
• Location: geo:latitude,longitude
🔧 Error correction levels:
The higher the level, the more the QR Code can be damaged and still be readable, but the code will be denser.
• L (7%): Ideal for clean environments
• M (15%): Recommended general use
• Q (25%): Environments with possible damage
• H (30%): Maximum resilience
What is a QR Code?
QR Code (Quick Response Code) is a two-dimensional barcode created in Japan in 1994. It can store up to 4,296 alphanumeric characters and is read instantly by smartphone cameras, making it perfect for sharing information quickly.
Supported Content Types
🌐 URLs e Links
Direct to websites, landing pages and product pages
https://seusite.com Start direct conversations without saving the contact
https://wa.me/5511999999999 Open the email client with pre-filled recipient
mailto:email@exemplo.com 📱 Telefone
Dial number automatically
tel:+5511999999999 📶 Wi-Fi
Connect to the network without typing password
WIFI:T:WPA;S:Rede;P:senha;; 📍 Location
Open coordinates on the map
geo:-23.5505,-46.6333 Practical Use Cases
- Marketing: Add to business cards, flyers and billboards
- Restaurants: Digital menus (post-COVID)
- Events: Quick check-in and material distribution
- Payments: PIX, digital wallets
- Products: Tracking, manuals and additional information
- Public WiFi: Share access without revealing password
- Social Networks: Direct link to profiles
Error Correction Levels
QR Codes have built-in error correction, allowing them to be read even if partially damaged:
Tips for Effective QR Codes
- ✓ Always test before printing on a large scale
- ✓ Maintain adequate contrast (light background, dark QR)
- ✓ Minimum recommended size: 2x2 cm for printing
- ✓ Add a call-to-action ("Scan to access")
- ✓ Use shortened URLs for smaller and simpler QR Codes
- ✓ Avoid very reflective or curved surfaces
♻️ Sustainability: QR Codes reduce paper waste by digitizing menus, manuals and informational materials. An eco-friendly choice!