Thanks for your rating. It's great to hear that you like the add-on. 😀

As for the hot key: Actually you can already customize the hot key. See https://support.mozilla.org/kb/tastenkombinationen-fur-erweiterungen-verwalten for more information.

If you continue to have problems with that, it would be very nice if you could report this bug on https://github.com/rugk/offline-qr-code/issues, so we can deal with it. Thanks.

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Danke für die Bewertung.
DIe Tastenkombination kann bereits angepasst werden:
https://support.mozilla.org/kb/tastenkombinationen-fur-erweiterungen-verwalten

Weitere Fehler bitte auf https://github.com/rugk/offline-qr-code/issues, melden.

Thanks for your rating. It's great to hear that you like the add-on. 😀

A barcode generation is not planned, because a barcode can only encode numbers, not letters or other characters.
Also all barcode readers for mobile phones can usually read QR codes too and QR codes are much more handy, so we prefer these.

If you have further issues or questions, feel free to ask or suggest a feature by opening an issue on https://github.com/rugk/offline-qr-code/issues. Thanks.

See https://github.com/rugk/offline-qr-code/wiki/FAQ#how-to-save-the-qr-code-on-disk for how to save the QR code as an image file. You can then use any software to further edit or print the QR code.

As for Code128 there is currently no intend to add other data code modes. As far as I see Code128 can also only encode numbers and ASCII characters making it quite limited in contrast to QR codes, which are also more widely supported.

If you have further issues or questions, feel free to ask or suggest a feature by opening an issue on https://github.com/rugk/offline-qr-code/issues. Thanks.

Thanks for your rating. It's great to hear that you like the add-on. 😀

Here is how you can save the image as SVG or PNG: https://github.com/rugk/offline-qr-code/wiki/FAQ#how-to-save-the-qr-code-on-disk

If you have further issues or questions, feel free to ask or suggest a feature by opening an issue on https://github.com/rugk/awesome-emoji-picker/issues/. Thanks.