Blog
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Building a bulk QR generator that scales to millions of codes per job
18 July 2026
A high-level look at the architecture behind bulkqr — streaming, queues, stateless jobs and distributed storage — and why a single job can be millions of codes without falling over.
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Bulk QR codes for events, inventory and mail-outs
18 July 2026
Why we built bulkqr — generating hundreds of QR codes without a spreadsheet-and-screenshot marathon.
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QR codes in art galleries: labels that don't cheapen the wall
11 July 2026
How galleries and museums use QR codes as a quiet extension of the wall label — design restraint, print size for the room, and one code per artwork.
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QR codes on retail products that scan at the till
4 July 2026
Modern products carry two codes — a marketing QR and a checkout code. Here's the difference, what "scans at the till" really needs, and where each tool fits.
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QR codes aren't just web links: WiFi, contacts, email, WhatsApp and more
27 June 2026
A QR code can carry a WiFi password, a contact card, an email, an SMS, a phone call or a WhatsApp chat — not just a URL. Here are the formats, with examples.
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How to brand a QR code (without breaking the scan)
20 June 2026
Add your logo and colours to a QR code so it still scans on the first try — how error correction makes it possible, and where people overdo it.
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Bulk QR codes from a CSV: a guide for inventory, events and product labelling
13 June 2026
Turn a spreadsheet into a QR code for every row — the right way to structure your CSV, plus worked examples for inventory, events and product labels.
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How to generate lots of QR codes at once — no software to install
6 June 2026
Make hundreds of QR codes in one go, straight from your browser. No install, no account to start, and up to 100 codes never leave your device.
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What makes a good QR code (that people actually scan)
30 May 2026
The four things that decide whether a QR code gets scanned — a short payload, the right error correction, enough size, and a clear reason to scan.