Blur faces and heads in videos, directly on your iPhone.
Automatic detection can miss faces or estimate a head incorrectly. Review the result before sharing. Processing does not change the original video.
If an import fails, try a shorter video and check that your iPhone has enough free storage. For a video stored in iCloud, make sure it can finish downloading in Photos.
For help, email [email protected] with your iPhone model, iOS version, app version, and a description of the issue. You do not need to send a private video.