You can easily hide your gallery photos from other people who are using your phone. There are several apps for this You can manually do this. You need to follow some steps to Prevent Certain Photos from Showing Up in Android’s Gallery or Google Photos.
Step 1. Install Solid File Explorer or any other file manager app on your device. If you want to hide all your Google Photos, create a backup. In case of any problem, you photos will safe in backup.
Step 2. Open up the File Manager on your device and then create a new folder with the name Hidden or anyone you like. You can also hide photos of an existing folder.
Step 3. Open up the new folder or existing folder, which photos you want to hide. Tap on the + icon or button and then choose up the New File option and create a new file as “.nomedia“. This file will prevent gallery apps from not scanning any of the photos or the media placed inside.
Step 4. Don’t worry about disappearing newly created file. Just put files and folder in the newly created folder or existing folder containing “.nomedia“ file. Now media of this folder would not in any Gallary or media apps. You can use this trick also for Google Photos.