QR Code Generator
Generate QR codes offline in your browser for URLs, WiFi networks, emails, or phone numbers.
QR Code Generator
Colors & Customization
Logo / design
Preview & Download
The QR code is generated locally in your browser. Your entered passwords or URLs are not transmitted.
Guide & best practices
QR Code Generator for URLs, Wi-Fi and vCards
Generate customizable QR codes for different content types and choose error correction and format to fit the use case.
Typical use cases
Ideal for flyers/print, guest Wi-Fi access, business cards (vCard), event links and contact details.
How Balou generates QR codes
Choose content type and data plus error correction and format; Balou generates the QR code locally as PNG or SVG.
QR code best practices
Use high error correction for print/logo overlay, prefer SVG for scaling and test the code before printing.
Frequently asked questions
Which error correction level should I choose?
L (7%), M (15%), Q (25%) or H (30%); for print or logo overlay, H is recommended.
How do I create a Wi-Fi QR code?
Provide SSID, password and encryption type (e.g. WPA2); the code follows the WIFI: scheme.
PNG or SVG?
SVG scales losslessly and is ideal for print; PNG suits quick web usage.
Is my data uploaded?
Generation runs locally in the browser; your content does not leave the page.