You can easily upgrade from monthly Pro Plan to yearly Pro Plan in your subscription page.

You will a limited offer of 67.25% off on the Yearly Pro Plan, plus all your credits will have a 13-month expiration period, much longer than the 60-day expiration period of the monthly plan.

We currently do not support Starter yearly plan. If you are a Starter plan user and want to upgrade to Pro yearly plan, please upgrade to Pro monthly plan first and then upgrade to Pro yearly plan.