Quoting from Scrambled Exif Page on F-Droid
Scrambled Exif (pronounced eggsif) helps you remove the metadata in your pictures before you share them. If you don’t want the big Internet companies (or whomever) to know were your pictures were taken don’t forget to remove the metadata from them before you share them.
- Install Scrambled EXIF on your Android Phone.
- When you want to share a photo taken in your phone, select Scrambled Exif in the share menu