However, images may have a lot of personally identifiable data attached to them, such as faces of people or location stored in its metadata with device information.
So it’s important to remove this metadata and blur or hide faces present in the images that you take.
Apart from the removal of metadata, this image scrubber also allows you to blur details such as faces.
After that, you can follow these steps: Then tap on the Blur Faces toggle to automatically hide faces in the photo.
Apart from using these tools, you can follow this guide by WIRED on how to safely take photos in a protest.