QR Code Generator
Create custom QR codes for URLs, text, email, WiFi, and more. All processing happens in your browser — nothing is uploaded.
Click to upload a logo for the center
Click to change
Enter your data above and click Generate QR Code
How to Generate a QR Code
Follow these simple steps to create a custom QR code in seconds:
Choose Data Type
Select what kind of data you want to encode — URL, text, email, WiFi, etc.
Enter Information
Fill in the required fields for your chosen data type (URL, message, etc.).
Customize Design
Adjust colors, size, error correction level, and optionally add a center logo.
Download & Share
Click generate, then download your QR code as a PNG image to use anywhere.
About the QR Code Generator
The FreeNestTools QR Code Generator is a free, browser-based tool that creates custom QR codes from any type of data. Using the QRCode.js library, it encodes your information into a QR code matrix pattern and renders it on an HTML5 Canvas for download as a high-quality PNG image. All processing happens entirely on your device.
QR (Quick Response) codes are two-dimensional barcodes that can store various types of data. Unlike traditional barcodes that store data in one dimension (vertically), QR codes use a matrix of black and white squares in both dimensions, allowing them to hold significantly more information — up to 7,089 numeric characters or 4,296 alphanumeric characters in a single code.
The tool supports 7 data types: URL (link to any website — most common use), Text (free-form text message), Email (to address with subject and body), Phone (trigger a phone call on mobile devices), SMS (pre-filled text message to a number), WiFi (network credentials for instant connection), and vCard (contact information as a digital business card). Each type generates a properly formatted QR code that works with standard QR scanning apps.
All processing happens entirely in your browser using client-side JavaScript. Your data is never uploaded to any server—it never leaves your device. This ensures your information remains completely private and secure. There are no registration, no hidden charges, and no usage limits. Generate as many QR codes as you need, as often as you like.
This tool is perfect for marketers creating QR codes for campaign materials, business owners adding QR codes to menus, signage, and business cards, event organizers providing quick registration links, restaurants creating contactless menus, educators sharing resource links with students, and anyone who needs to share information quickly through scannable codes.
Customization options: Foreground color (choose any color for the QR modules), Background color (choose any color for the background), Size (100-1000 pixels), Error correction level (Low 7%, Medium 15%, Quartile 25%, High 30% — higher levels allow more damage before the code becomes unreadable), and optional center logo/image upload for branding.
Important: QR codes with higher error correction levels can be scanned even when partially damaged or obscured, but they produce denser patterns. For standard use, Medium (15%) error correction is recommended. WiFi QR codes require your device to connect to the network — the password is encoded in the QR code, so anyone who can scan it can connect to your WiFi. Always test your QR code with multiple scanners before mass printing.