QR Code Generator: Create Free QR Codes Online 2026

What is a QR Code?

1. URL QR Code

• Links to websitesOpens in browserTrackable (with analytics)

2. Text QR Code

• Plain text messagesAnnouncementsSimple information

3. WiFi QR Code

• Auto-connect to WiFiShare password securelyPerfect for businesses

4. vCard QR Code

• Contact informationSave to contactsInclude photo, email, phone

5. Email QR Code

• Pre-filled emailSubject line includedOne-tap sending

6. SMS QR Code

• Pre-filled messagePhone number includedQuick messaging

7. WhatsApp QR Code

• Direct chat linkNo saving numberBusiness use

8. Social Media QR Code

• Instagram profileFacebook pageLinkedIn profile

Step-by-Step

1. Select QR code typeEnter your contentCustomize (optional)GenerateDownload

Example: WiFi QR Code

• Network Name (SSID): MyWiFiPassword: MyPassword123Encryption: WPA/WPA2

Size Matters

• Minimum: 2cm x 2cmPrint: 3cm x 3cm minimumOutdoor: 5cm x 5cm+

Color Contrast

• Use dark code on light backgroundAvoid red on green (colorblindness)Test before printing

Error Correction

• Level L: 7% recoveryLevel M: 15% recoveryLevel Q: 25% recoveryLevel H: 30% recovery

Business

• Payment (UPI QR)Product informationRestaurant menusEvent tickets

Government

• Aadhaar verificationDigital India portalsVaccine certificates

Personal

• WiFi sharingContact exchangePayment links

Safe Scanning Tips

1. Verify the URL before openingDon't scan unknown codesCheck for tamperingUse phone's built-in scanner

Signs of Malicious QR Code

• Altered stickersRedirects to suspicious sitesRequests personal infoPromises too good to be true

Placement Ideas

• Business cardsProduct packagingRestaurant tablesBillboardsFlyers

Best Practices

• Test on multiple phonesAdd a call-to-actionTrack performanceUse branded colors

How It Works

1. Open UPI appScan merchant's QREnter amountConfirm payment

Popular UPI Apps

• Google PayPhonePePaytmBHIMAmazon Pay

QR Code Capacity

QR Code Versions

• Version 1: 21x21 modulesVersion 2: 25x25 modulesVersion 3: 29x29 modulesUp to Version 40: 177x177 modules

QR Code Not Scanning?

• Clean the codeCheck lightingVerify distanceEnsure camera is focused

Code Won't Generate?

• Content too longInvalid charactersClear browser cache

{
  "@context": "https://schema.org",
  "@type": "WebApplication",
  "name": "QR Code Generator",
  "description": "Free online QR code generator",
  "url": "https://bloghar.com/qr-code-generator"
}