Créez un nouveau favoris dans votre navigateur préféré et collez le code javascript ci-dessous comme adresse (URL) du favoris
--------------

javascript:(function(win%2Cname%2Cdesc)%7Bwin.open('https%3A%2F%2Ftrello.com%2Fadd-card'%2B'%3Fsource%3D'%2Bwin.location.host%2B'%26mode%3Dpopup'%2B'%26url%3D'%2BencodeURIComponent(win.location.href)%2B(name%3F'%26name%3D'%2BencodeURIComponent(name)%3A'')%2B(desc%3F'%26desc%3D'%2BencodeURIComponent(desc)%3A'')%2C'add-trello-card'%2C'width%3D500%2Cheight%3D600%2Cleft%3D'%2B(win.screenX%2B(win.outerWidth-500)%2F2)%2B'%2Ctop%3D'%2B(win.screenY%2B(win.outerHeight-740)%2F2))%7D)(window%2Cdocument.title%2CgetSelection%3FgetSelection().toString()%3A'')