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.

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.