One-time credits vs Unlimited plan

Expiration CDN Stackable
One-time credits Never (one-time use) 1 credit = 5 MB Yes
Unlimited plan After 30 days
500 GB / month

* Expiration = number of days the credits or CDN traffic quota are available for use. After expiration, a new billing cycle begins.

* CDN = amount of CDN traffic quota available.

* Stackable = indicates whether it is possible to purchase more than one plan for the same account.

What is a credit?

It depends.

If you use our credits to store your images or resources in our CDN using ShortPixel Adaptive Images (SPAI), Autoptimize or our Adaptive Images API, then 1 credit is equivalent to 5 MB of CDN traffic. Here's how SPAI counts the credits, for example.

If you use one of our other products, e.g. ShortPixel Image Optimizer (SPIO) or our Archive Optimizer, 1 credit = 1 image. Here's how SPIO counts the credits, for example.

Do I have to pay monthly or once?

We offer both options. With the Unlimited plan, you can pay monthly (or annually) and have an unlimited pool of credits as well as a fixed CDN quota per month. However, one-time credits never expire and allow you to control exactly how much and when you spend your money. Check out our pricing here. For more information on each plan type, please see the relevant articles at the end of this article.

In what order are the credits used?

The unlimited credits are always used first. If you are using our CDN services and you exhaust the 500 GB of monthly CDN traffic quota, the one-time credits, if available, will be used. That means if you have both a regular Unlimited plan and some one-time credits, the one-time credits will only be used when needed.

Do these plans allow to create WebP and/or AVIF images?

Yes, of course! All the plans allow for WebP and AVIF. Here's some useful resources:

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