qrcat

qrcat

Generate QR codes in UNIX way

Installation

go install git.briskin.org/go/qrcat@latest

Usage

Generate as ASCII

qrcat file.txt

or

echo http://example.org | qrcat

Generate as PNG

echo http://example.org | qrcat -format png

Generate as Data Scheme URI

$ echo http://example.org | qrcat -format uri
data:image/png;base64,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

License

The MIT License

Authors

• Yuya Takeyama (original code)
• Sergey Briskin