Solutions · Campaign links

QR Code Manager

QR codes whose destination can change after they are printed, organised by campaign and classification, with every download scanned before it is offered and every change on the record.

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StatusIn development

Built with

Core applet
Python and FastAPI
PostgreSQL
Cairo and zxing-cpp decode check

Sandbox login

User demo · password mango-demo-2026

The sign-in page has this demo login filled in and opens QR Code Manager as an editor, with a fictional arts centre's codes and campaigns. Its codes resolve at core.demo.projectmangotech.com/go/ to a page showing where they lead, rather than redirecting. The demo supervisor (user supervisor, same password) is an administrator and can change the classification lists. Resets every night at 03:00 UK time.

QR Code Manager is for any organisation that prints codes: posters, menus, signage, packaging. A dynamic code holds a short address of ours, so its destination can change after printing, and it can be paused, scheduled or retired; static codes for links, text, email, phone numbers, Wi-Fi and contact cards are there too.

It is a Core applet behind the projectmangotech.com sign-in. The public resolver that answers scans is a separate service that can only read what it needs. Scan analytics come in the next release.

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