Works completely in the browser - no secrets leave the browser
Either go to https://neochrome.github.io/gaqr/ and fill out the form
or
Use a complete url with description and secret provided as part of the anchor:
https://neochrome.github.io/gaqr/#description=some%20text&secret=my%20secret
If the secret already is base32 encoded, use the parameter secret32 instead
of secret.