How to add a logo to a QR code safely
A logo can make a QR code recognizable, but it covers part of the encoded pattern. Start with a readable code, use a small logo, and test the finished download.
Create the content first
Choose URL, Wi-Fi, contact card, text, or SMS in the generator and enter your information. Check an unstyled version first so you know that the content is correct. For example, use your business homepage for a business card and confirm the link opens the intended page.
Add a simple logo
Open Customize appearance and use the logo upload control. Choose a clear, simple image that is recognizable at a small size; a detailed wordmark may become unreadable. Guest logos stay in your browser during generation. Your downloaded QR image includes the logo.
Keep the pattern readable
Keep the logo small, leave the corner finder patterns clear, and retain a plain, contrasting background and the outer blank border. QRLio uses higher error correction when a logo is present and limits its size. These guardrails help, but they do not guarantee that every logo and color combination will scan.
Test the exported version
Download PNG or SVG and scan the exported design with several phones. If you will print it, test a sample at the final physical size as well. If scanning is unreliable, shrink or remove the logo and restore dark modules on a light background. Adding a logo does not make a static code editable after printing.