Fallout Shelter Family Tree and Save File Viewer

Click to upload or drag and drop

.sv2 or .json files

Save file location:

Android

storage/sdcard/Android/data/com.bethsoft.falloutshelter/files

iOS

iExplorer or similar software is needed to access the save file. Plug your device to a computer that has iExplorer installed. Go to iCloud → Fallout Shelter → Documents to find your save (assuming you use cloud saves).