Key Features of QR Code Generator
- Custom Color Options Select custom foreground and background colors for your QR code.
- PNG & SVG Downloads Download as high-res PNG for web and digital apps, or scalable vector SVG for print layouts.
- Error Correction Scaling Choose from four Reed-Solomon levels (L, M, Q, H) to optimize scannability and custom graphics overlay.
- Sizing and Margin Control Adjust the pixel dimensions and padding margins of your QR code dynamically with simple slide controls.
QR Code Generator Examples
Encoding Website URL
Generate a QR code containing a standard HTTPS link with high error correction for physical placement.
Input
https://yoraba.comOutput
[Custom 2D Matrix Barcode Graphic]Plain Text Message
Generate a QR code encoding offline text information with customized colors.
Input
Welcome to Yoraba Developer Hub!Output
[Custom Dual-Color QR Code Graphic]How to Use QR Code Generator
-
1. Enter Your Content
Type or paste the URL, text, or data you want to encode into the main input field.
-
2. Customize the Design
Use the controls to adjust the colors, margins, size, and error correction level to fit your needs.
-
3. Download Your QR Code
Download the final QR code as a high-quality PNG for digital use or a scalable SVG for printing.
Common Use Cases for QR Code Generator
- Digital Menus and Restaurant Signs Inline SVG codes on banners so diners can instantly open your menu on their mobile devices.
- Business Cards and Portfolios Create high-resolution codes to print on business cards, driving instant traffic to your portfolio site.
- Wi-Fi Network Sharing Encode your network SSD and passwords (using WIFI:S:ssid;T:WPA;P:password;; format) so guests can scan-to-connect.
The Technical Details
A QR (Quick Response) code is a two-dimensional matrix barcode created by Denso Wave in 1994. It stores data in a grid of black and white squares that can be scanned by cameras. QR codes feature Reed-Solomon error correction, which allows them to be read even if a portion of the code is damaged or obscured. This makes them highly reliable for real-world applications like product labeling and ticketing.
Unlike one-dimensional barcodes, QR codes store data both vertically and horizontally, enabling them to hold significantly more information, up to 4,296 alphanumeric characters. This generator uses a JavaScript library to render the QR code matrix on an HTML canvas, allowing for customization of colors, size, and error correction in your browser.
Frequently Asked Questions
What does the error correction level mean?
Error correction allows a QR code to be scanned even if it's partially damaged. Level L offers the lowest correction (7%), while Level H offers the highest (30%). A higher level makes the code denser but more resilient.
Which format should I choose: PNG or SVG?
Use PNG for digital purposes like websites and emails. Use SVG for print materials like business cards or posters, as it can be scaled to any size without losing quality.
Is this tool free and private?
Yes. The QR code is generated entirely in your browser. No data is sent to our servers, and the tool is completely free to use without any limitations.
How can I add a logo to my QR code?
To add a logo, set the error correction to 'H' (high). This ensures the code remains scannable even with a logo placed in the center. You can use any image editor to overlay your logo on the downloaded QR code.
Why is my QR code so dense?
The more data you encode, the denser the QR code becomes. For long URLs, consider using a URL shortening service to simplify the code and improve scannability.
Do these QR codes expire?
No, static QR codes do not expire. The data is embedded directly in the pattern, so the code will work as long as the encoded information (like a URL) is still valid.