create qr online
create qr online

How to Create QR Code Online

Overview

A QR code (Quick Response code) is a type of barcode that can store information such as:

  • Website URLs
  • Text
  • Contact information
  • WiFi credentials
  • Email addresses
  • Phone numbers

Users can scan the QR code using a smartphone camera or QR scanner application.


Step-by-Step Guide

1. Open a QR Code Generator Website

Use your browser and visit a QR code generator website.

Examples:

These websites allow you to create QR codes for free.


2. Choose the QR Code Type

Most QR generator websites provide several options:

  • URL / Website
  • Text
  • WiFi
  • Email
  • Phone Number
  • SMS
  • vCard / Contact
  • Location

Example:

If you want to create a QR code for a website:

https://example.com

paste the URL into the input field.


3. Customize the QR Code (Optional)

Many websites allow customization such as:

  • Changing colors
  • Adding logos
  • Changing QR patterns
  • Adding frames or labels

Example:

SCAN ME

This makes the QR code more attractive and easier to recognize.


4. Generate the QR Code

Click:

Generate QR Code

The website will instantly create the QR code image.


5. Download the QR Code

Choose your preferred format:

  • PNG
  • JPG
  • SVG
  • EPS

PNG is recommended for general use because it is widely supported.

Example resolution:

1024 × 1024 px

Higher resolution is better for printing.


6. Test the QR Code

Before sharing or printing:

  1. Open your smartphone camera
  2. Scan the QR code
  3. Make sure it opens the correct content

This helps avoid broken links or incorrect data.


Example Using JavaScript

The code in your screenshot generates a QR code dynamically using an online API.

Example:

function view_qrcode(id) {
var path =
'https://zxing.org/w/chart?cht=qr&chs=350x350&chl=' + id;

document.getElementById("qrcode").src = path;
document.getElementById("code").innerHTML = id;

$("#modal3").modal('show');
}