Cleanup your Gmail Inbox with Apps Script

The Google Script will automatically archive all the messages in your Gmail inbox that are older than 2 days. You can either use a Gmail search filter to find read messages or you can compare the message date with the current date through the script and archive messages accordingly.

function cleanInbox() {
  var delayDays = 2;
  var maxDate = new Date();
  var threads = GmailApp.getInboxThreads();
  for (var i = 0; i < threads.length; i++) {
    if (threads[i].getLastMessageDate()