Import/Export localStorage

gistfile1.txt

Export

copy(JSON.stringify(JSON.stringify(localStorage)));

Import

var data = JSON.parse(/*previously copied stringified JSON from clipboard*/);
Object.keys(data).forEach(function (k) {
  localStorage.setItem(k, data[k]);
});

original source: https://stackoverflow.com/a/61893189/13177087

cookies

Application => cookie => uncheck HttpOnly

https://stackoverflow.com/a/1022119

copy

copy(JSON.stringify(document.cookie));

login

var cookies = cookie.split(";");
for (var i = 1; i <= cookies.length; i++) {
document.cookie = cookies[i - 1];
}