We call this service Fly, with the aim of providing a public and free service that users can experience without registering on WebP Cloud.

The usage of Fly is as follows: Suppose your original image URL is

If you want your image to be optimized in WebP/AVIF, simply append this address to, like this:

As this is a public service, some limitations compared to WebP Cloud are imposed:

  • Fly supports a maximum original image size of 8MB, while WebP Cloud supports up to 80MB.
  • Fly cache time is 1 day, while WebP Cloud has unlimited time (can be manually cleared at any time).
  • It does not support parameters like blur, sharpen for image processing.
  • And that’s it.