qr.js: QR code generator in pure Javascript (2011)
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lifthrasiir Merge pull request #7 from ays388/master
Fix generatePNG() always returning an empty data uri when called without a margin option
Latest commit 4234f13 Jan 15, 2017

README.md

qr.js: QR code generator in pure Javascript (2011)

This is a fairly standalone script for producing QR code on the fly. Originally developed for my own interest, the code is fully commented and well-structured. The code is in the public domain (or to be exact, Creative Commons Zero), and you can use it for absolutely any purpose.

See also a node.js module based on qr.js, packaged by Nadav Ivgi.