Oh yes, offline dices 
Normally i just generate some words and then flip them manually 
Saving the website is useful if you happen to use something like bitaddress…
By the way I posted now my ask for certification. And whoever was the one who send me some duniter, thx a lot!
See you,
Martin
https://forum.duniter.org/t/ask-for-certification-g1-arcurus-martin/2250