The Online QR Code Generator Tool allows users to create custom QR codes from text or URLs. This tool is part of the CodeSamplez Tools suite, providing a simple interface for generating QR codes that can be scanned by mobile devices.
Create and customize your QR codes instantly.
Configuration
How To Generate QR Code With This Tool:
Enter text or URL
You can enter any URL that would open upon scanning the QR Code(most common use case) or text to search web with.
(Optional) Customize configuration options
You have few customizable options ot configure the tool with: size, margin and error correction
Download the QR Code as png image
QR code will generated in real-time as you change your configurations and/or inputs. Use the download button to download it as an png image
Advanced Usage
For URLs: QR codes will automatically open in a new tab when scanned
For plain text: QR codes will display the text content when scanned
For contact information: Use proper vCard format for best results
For WiFi credentials: Use format “WIFI:T:WPA;S:SSID;P:password;;”
QR Code Generator Supported Features
📱 Generate QR codes from any text input or URL
🎨 Customize QR code appearance:
Adjust size (100px to 1000px)
Set margin (0px to 50px)
Choose error correction level (L, M, Q, H)
💾 Download generated QR codes as PNG images
⚡ Real-time generation – updates as you type or change configuration
🖥️ Responsive design – works on desktop and mobile
Here’s what the QR Code generator creates with standard configurations for “https://codesamplez.com” link:
Technology:
This tool uses JavaScript for QR code generation logic (uses qrcode.js OSS) and CSS for styling the user interface.
Error Handling
Input validation for maximum length (2953 chars for L level)
Automatic URL detection and formatting
Error correction level optimization
Memory management for large QR codes
Fallback handling for older browsers
Privacy & Security
🔐 No external dependencies – uses pure JavaScript implementation
🔒 100% client-side processing – all QR code generation happens in your browser
🚫 No data storage – your input is never saved or transmitted anywhere
💻 Works offline – can be used without an internet connection
Browser Compatibility
The tool requires a modern browser that supports:
HTML5 Canvas API
Clipboard API (for copy functionality)
File API (for download functionality)
ES6+ JavaScript
Frequently Asked Questions(FAQs)
What is a QR code?
A QR code (Quick Response code) is a type of barcode that can store information like URLs, contact details, or text, which can be scanned by smartphones to quickly access the stored data.
How do I create a QR code with this tool?
Simply enter the content you want to encode (e.g., a URL or text), customize the design, and download your QR code.
Can I customize my QR code (add logo, colors, etc.)?
Yes, our tool allows you to customize few configuration moptions for the the design.
Is this QR code generator free to use?
Yes, our QR code generator is completely free for all users.
How can I scan a QR code?
Open your smartphone’s camera app, point it at the QR code, and tap the notification or link that appears.
Do the QR codes expire?
No, the QR codes generated by our tool do not expire and can be used indefinitely.
Can I use these QR codes for commercial purposes?
Yes, you can use the QR codes for any purpose, including commercial use, without restrictions.
Is there a limit to how many QR codes I can generate?
No, there is no limit to the number of QR codes you can create with our tool.
