On Kraken.io Image Optimizer's Privacy Page you can request and collect all the privacy and GDPR related information that Kraken.io Image Optimizer is providing.
The privacy policy by is a legal document or statement that discloses how Kraken.io Image Optimizer gathers, uses, discloses, and manges their customers' data.
The basis for Kraken.io sharing, adding, uploading, hosting, accessing or sending personal data out of Europe. Vendors can also add a description of their own impact assessment for data transfers.