Brand Identity & High Error Correction

WiFi QR Code Generator with Custom Logo

Brand your wireless connection. Upload your business or cafe logo, customize palette colors, and generate a high-recovery QR code ready for professional printing.

Private • Processed in your browser

Free

No signup

Privacy Guarantee: Your network name and password are processed locally in your browser. We don't receive, store, or see your WiFi credentials.

Network Name (SSID) Max 32 bytes

Security Type

Password Required

Hidden Network

Customize QR Code Optional

Foreground Color

#0f172a

Background Color

#ffffff

QR Size 280px

Error Correction Level

Optional Center Logo

Upload Logo Image

PNG, JPG, or SVG. Logo is centered and bounded to ~20% of code size to maintain scan reliability.

100% processed in browser memory

Your network name and password are processed locally in your browser. We don't receive, store, or see your WiFi credentials.

Always test your QR code before printing or sharing.

QR Code Preview

Fill in your network details and click "Generate QR Code".

How Center Logos Work Without Corrupting the WiFi Barcode

Standard QR codes were engineered in 1994 by Denso Wave for industrial tracking in dusty factory environments. To withstand dirt and physical damage, the specification includes Reed-Solomon Error Correction.

Level L 7% Recovery. Lowest matrix density; not recommended for logos.

Level M 15% Recovery. Standard default for basic text and URL codes.

Level Q 25% Recovery. High redundancy; great for small discrete logos.

Level H (Best) 30% Recovery. Maximum data redundancy; ideal for prominent logos.

3 Golden Rules for Branded WiFi QR Codes

1. Keep Logo Bounded to ~20%

Never cover the three large square corner markers (the position detection patterns). Our generator automatically confines your logo to the safe center zone.

2. Maintain High Contrast

Always pair dark modules with light backgrounds. Avoid low-contrast pairings (like yellow on white or navy on black) that confuse mobile camera lenses.

3. Always Test Before Printing

Test your finished design under various lighting angles with both iOS and Android cameras before sending files to professional print shops.

Insert your branded QR code into our 7 printable sign templates → Coffee shop counter sign recommendations →

Related Guides & Tools

Main Tool WiFi QR generator WiFi Sign Maker Printable templates Cafe WiFi QR Coffee shop branding Office Guest WiFi Corporate identity

Branded QR Code FAQs

Frequently asked questions about logo overlays, error correction levels, and scanning reliability.

How does adding a logo to a WiFi QR code work without breaking the scan?

QR codes utilize Reed-Solomon error correction algorithms. When you choose High (H) error correction, the code tolerates up to 30% data occlusion. A centered logo covers roughly 15-20% of the interior modules, leaving enough redundant data for cameras to reconstruct the WiFi payload accurately.

What image file formats work best for the center logo?

PNG files with a transparent background or clean vector SVGs produce the sharpest results. Square or circular logos format best in the center of the barcode.

Is my logo uploaded to your server?

No. The logo is read locally via your web browser's FileReader API and drawn directly onto the client-side HTML5 canvas. It is never transmitted across the network, stored on a server, or shared with third parties.

Why should I test the QR code after adding a logo?

Different phone cameras vary in optical resolution and lens quality. Always aim your phone at the screen or test print to ensure instant recognition before ordering professional printing, laser engraving, or signage.

Can I customize the foreground and background colors alongside the logo?

Yes! Expand the 'Customize QR Code' panel above to adjust both module foreground color and background canvas color. Our built-in contrast evaluator will alert you if the color combination lacks sufficient luminance for camera sensors.