Secure File Manager Beta app
Secure File Manager Beta is Security tool that is open source under the GPL-3.0-or-later license. File manager for keeping your files in safe.Features
* hiding files
* encrypting files
* create or extract encrypted Zip files
* lock app with password or biometric authentication (optional)
* disable screenshots (optional)
* disabling thumbnails (optional)
* clear cached thumbnails
* set destination for creating media files (photo / video)
* checksum (MD5, SHA1, SHA256, SHA512)
This app is useless if you have a rooted device!
Permissions clarification:
https://github.com/Secure-File-Manager/Secure-File-Manager/wiki/Frequently-Asked-Questions#why-the-app-needs-specific-permission