QR codes

Subtitles for robots

October 30, 2019 — March 6, 2022

diy

There are Python libraries PyQRCode and qrcode. There are various subscription services with add-ons like tracking, but they are remarkably expensive and so not recommended. If I want fancy tracking of clickthroughs on QR-coded links, I could use bit.ly or some other URL shortener/tracker.

QR codes are additionally supported quietly in lots of software; for example, QR codes are one of the barcode formats supported by DTP package scribus.

Here are some perfectly functional online QR code generators:

qr-code-generator.com (bitly backed, so serviceable but heavy upsell)
qrstuff.com has various nifty specialised QR code URLs such as Wi-Fi passwords and payment links
goqr.me (Does the job simply)
qrcode.js is a small library that encodes whatever text you want in a QR code and renders it in situ.

QRCode.js is a JavaScript library for making QRCode. QRCode.js supports Cross-browser with HTML5 Canvas and table tag in DOM. QRCode.js has no dependencies.
~~Wix.com QR Code Generator~~ unusably upsell-focused.