Checker Mail.ru is a free Chrome add-on developed by Pavel Ketov that provides users with notifications for new emails in their Mail.ru mailbox. With this extension, you'll never miss an important email again. It instantly notifies you of incoming messages, displaying the sender and subject without having to open your mailbox.

One of the key features of Checker Mail.ru is its speed and simplicity in managing multiple email accounts. It only accesses the necessary data from your Mail.ru account, ensuring your privacy and security. Additionally, the add-on supports multiple Mail.ru accounts, allowing you to conveniently switch between them.

Another useful feature is the ability to open important emails with just one click. This saves you time and allows for quick access to crucial information.

To enhance the user experience, Checker Mail.ru also provides sound notifications for new emails. This ensures that you are alerted even if you are not actively using your browser.

Overall, Checker Mail.ru is a reliable and efficient Chrome add-on that simplifies email management for Mail.ru users. Its straightforward interface and useful features make it a valuable tool for staying on top of your inbox.