3 ms·

Google Authenticator doesn't need network. Battery however is required of course.

• thematt 13y ago
  I wish there was a Google Authenticator app for the desktop, so I could at least have a backup in case my phone gets lost/stolen.
  • cbhl 13y ago
    The algorithm is published, so you could plausibly write one.
  • abrowne 13y ago
    http://gauth.apps.gbraad.nl/ http://gauth.apps.gbraad.nl/ The layout is definitely mobile, but it works fine in a desktop browser.