Questions tagged [qr-code]
For questions about encoding, scanning, or decoding a QR code, which is a two-dimensional barcode, a machine-readable optical label that contains information about the item to which it is attached.
5 questions
1
vote
1
answer
886
views
How to generate full-page QR code from command line?
I'd like to generate a full-page QR code from the command line. The following command sort of accomplishes this:
qrencode -o- https://example.net | convert png:- -gravity center -units pixelsperinch -...
- 5,569
3
votes
3
answers
1k
views
How can I generate QR Codes with subtitles?
I need to generate several thousand qr codes of simple IDs (1234, 1235, 1236, ...) and want to be able to also make them human readable. qrencode is a really cool tool to generate qr-codes, BUT no ...
- 173
9
votes
6
answers
13k
views
Generating QR code of very big file?
I want to generate a QR code of my 4096-bit armored GPG private key. The key is so big, the program qrencode seems to fail because of its size.
$ gpg --export-secret-keys --armor > ~/private.key
$ ...
- 762