Everything you need for QR codes.

Generate or scan instantly. 100% free.

Create QR

Paste anything, customize, and download.

Use your camera or upload an image.

The fastest, completely private and versatile QR code platform built directly into your browser.

Your passwords, links, and sensitive data never leave your device. All generation and scanning happen purely in your browser.

No sign-up required, no paywalls, no scan limits, and no expiring QR codes. Create and scan as many as you need forever.

Download crystal-clear QR codes for print, flyers, business cards, or web banners with zero quality loss.

Scan QR codes live using your phone/laptop webcam or drag and drop image files directly to decode them instantly.

Follow these simple steps to generate or read QR codes in seconds.

Select URLs, plain text, WiFi credentials, contact cards (vCard), or SMS details.

Pick your favorite brand colors, dot patterns, corner shapes, and center logos.

Download in PNG/SVG or use the scanner tool to read any QR code using your camera or file upload.

Common questions about QR code generation, scanning, and privacy.

Are the generated QR codes free for commercial use?

Yes! All QR codes generated on Karzni are 100% free for both personal and commercial use without any royalties or subscriptions.

Do these QR codes ever expire?

No, the generated QR codes are static and permanent. The encoded information is embedded directly into the matrix, so they will work forever.

Is my data secure when generating or scanning?

Absolutely. Karzni operates 100% client-side inside your browser. No files, texts, or camera streams are sent to any remote server.

Which formats can I download my QR code in?

You can download high-resolution PNG images for digital displays or scalable vector SVG files for professional printing and packaging.