Add QR codes to your WordPress with shortcodes.
Add QR Codes to your WordPress posts with shortcodes and a user-friendly button. You can use the QR Code button from your WordPress editor to add QR Code shortcodes to your text editior.
You can also write shortcodes to insert a QR Code to your blog post.
Add QR Code to your post with the [qrcode] [/qrcode] shortcodes:
Text: [qrcode]Write anything or everything.[/qrcode]
qrcode.js - http://davidshimjs.github.io/qrcodejs/