NojimaEmailApproval Extension (Staging) is a free Chrome extension developed by ntq_upload. This extension is designed to prevent users from sending the wrong email by providing a confirmation pop-up after clicking the "Send" button.

The main features of NojimaEmailApproval Extension (Staging) include asking the sender to confirm the recipient's information such as the "To" and "CC" fields. Additionally, it prompts the user to fill in the email address of their superior to approve the email content. Once the email is composed and ready to be sent, it is automatically sent to the superiors for approval.

With NojimaEmailApproval Extension (Staging), users can have an extra layer of protection to ensure that they are sending the correct emails and obtain approval from their superiors before sending important messages.