Custom QR Code Generator & Designer
Custom QR Code Generator & Vector Designer
Create free, high-resolution custom QR codes for Wi-Fi networks, URLs, WhatsApp, vCards, Text, and Emails. Customize colors, gradients, eye shapes, and embed your custom center logo with instant SVG and PNG vector downloads.
Colors & Gradients
Shapes & Body Patterns
Center Logo & Branding
Resolution & Error Correction (ECC)
Live QR Preview
How to Create and Optimize Custom QR Codes
Quick Response (QR) codes are 2D matrix barcodes capable of storing URLs, credentials, and digital contacts. Follow these best practices to ensure high scannability across all iOS and Android smartphone cameras.
1. Auto-Connect Wi-Fi QR Codes for Homes & Offices
Manually typing long WPA2/WPA3 Wi-Fi passwords is slow and prone to typos. Generating a Wi-Fi QR Code stores the network SSID, authentication protocol (WPA, WEP, or Open), and security password in a standardized WIFI:S:MyNetwork;T:WPA;P:SecretKey;; string. When guests scan the code using their smartphone camera, their device automatically connects to the wireless network with a single tap.
2. Why Error Correction (ECC) Matters When Adding Logos
QR codes use Reed-Solomon Error Correction algorithms to recover lost or obscured data modules. When embedding a custom center logo or branding emblem, the logo physically covers a portion of the QR grid. By selecting Level H (High — 30% recovery), the QR code remains 100% scannable even with up to 30% of the surface covered by your logo or damaged by wear and tear.
3. Best Practices for Color Contrast & Physical Printing
Maintain strong visual contrast by keeping the foreground dots darker than the background canvas. Ensure a clear quiet zone margin around the outer perimeter to prevent framing errors, and always choose scalable vector SVG format when printing on large physical signage.
All matrix calculations, gradient color blending, and image generation are executed strictly inside your local browser runtime. DigiPandai does not store or transmit your Wi-Fi credentials, vCard contacts, or private text data to any cloud servers.
Frequently Asked Questions
Common questions regarding QR code creation, expiration, commercial usage, and security.
Do these custom QR codes ever expire?
No. All QR codes generated by DigiPandai are Static QR Codes. The content (URL, Wi-Fi password, text, or vCard) is permanently encoded directly inside the matrix pattern itself. They work forever with unlimited scans and never redirect through any intermediate paid server.
Can I use the generated QR codes for commercial projects?
Yes, 100%. You have full ownership of your generated PNG, SVG, and JPG files. You can use them freely on commercial products, restaurant menus, product packaging, billboards, stickers, and marketing campaigns without any licensing fees or watermarks.
Is my Wi-Fi password or vCard data stored on your servers?
No. This generator is 100% client-side. The QR code matrix and canvas rendering happen entirely within your local web browser using JavaScript. No passwords, personal contact cards, or URLs are ever transmitted to or stored on any server.
What is the difference between PNG and SVG downloads?
PNG is a raster image format with high resolution (up to 2048x2048px), ideal for digital screens, websites, and standard printing. SVG is an infinite resolution vector format made of mathematical paths, ideal for professional graphic designers using Adobe Illustrator, Figma, or CorelDRAW for massive billboards and laser engraving.