qr-code.co.kr
A live QR and sign generator for review, restroom-password, Wi-Fi, and real-estate lease workflows, with browser-side QR creation, landing-page actions, PNG export, print output, image sharing, and admin monitoring.
Generate QR codes and printable signs directly in the browser.
Users choose a ready-made mode for Naver reviews, Google reviews, restroom password guidance, real-estate lease signs, Wi-Fi guides, or standard QR payloads, then create the QR code without sending the entered data to a server. Restroom QR codes carry guide text and male, female, or shared passwords into a landing page, while real-estate QR codes provide call, SMS, and homepage actions. The generated result can be previewed, saved as a PNG, printed, or shared as an image file through the device share sheet.
- Modes Naver review, Google review, restroom password guide, real-estate lease guide, URL, phone, Wi-Fi, email, contact card, and text
- Landing pages restroom guide/password display and real-estate call, SMS, and homepage actions
- Outputs QR-only images and vertical sign/banner images
- Privacy Input values are converted locally in the browser
The admin page manages advertising, usage stats, and production readiness.
The administrator can configure AdSense or image-banner display, review access and QR generation counts, and confirm the current operating state from one screen. Visitor counts de-duplicate the same IP once per day using hashed IP records, and the deployed site also includes ads.txt, a privacy policy, HTTPS through Let's Encrypt, and an HTTP-to-HTTPS redirect.
- Ads AdSense client and slot configuration with image-banner fallback
- Stats Access count, QR generation count, recent update time, and 14-day trend
- Counting same-IP daily de-duplication with hashed IP storage
- Infrastructure ads.txt, privacy policy, HTTPS certificate, and HTTP-to-HTTPS redirect