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DevCalc
Utility Calculator

QR Code Generator

A free, easy-to-use QR Code Generator for websites, text, emails, phone numbers, WiFi networks, and more. Create a custom QR code in seconds, preview it instantly, and download it in high resolution — perfect for business cards, posters, menus, or sharing information quickly without typing.

Accurate ResultsFree to UseInstant Calculation

QR Code Generator

Generate QR codes for websites, text, emails, phone numbers, social media profiles, and more.

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How the QR Code Generator Works

Follow these simple steps to get accurate results instantly.

1

Enter Content

Enter a URL, text, email, phone number, or any content.

2

Generate QR Code

Click generate to instantly create a QR code.

3

Preview QR Code

View the generated QR code on screen.

4

Download QR Code

Save the QR code image for sharing or printing.

How QR Codes Work

Input Data → Encoding → QR Matrix Pattern

A QR code converts information such as URLs, text, contact details, or WiFi credentials into a machine-readable matrix that can be scanned by smartphones and QR scanners.

Example Calculation

Input: https://www.devcalc.in

Output: Generated QR Code

Common Uses

  • Website Links
  • Business Cards
  • Marketing Campaigns
  • WiFi Sharing
  • Event Tickets
  • Contact Information
  • Product Labels
  • Payments

Frequently Asked Questions

Verified answers to essential calculation and diagnostic questions.

A QR code is a two-dimensional barcode that stores information and can be scanned using smartphones or QR scanners.

Yes. You can generate QR codes for websites, landing pages, and online resources.

Yes. Any text can be converted into a QR code.

Yes. You can download and use the QR code for personal or business purposes.

A standard Version 40 QR code can store up to 7,089 numeric characters, 4,296 alphanumeric characters, or 2,953 bytes of binary data, depending on the error correction level applied.

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Written & maintained by Aditya Singh

Aditya Singh is a software engineer and the founder of DevCalc, based in Uttar Pradesh, India. He builds and maintains every tool on this site with careful attention to accuracy and user experience. Read more about the author →