Quick File Locker is described as 'Do you want to protect private pictures, hide sensitive videos or lockdown documents? Do you want to ensure your privacy by locking, hiding and encrypting sensitive data? It will quickly lock, hide and encrypt files, folders or or USB drives' and is an app in the security & privacy category. There are more than 100 alternatives to Quick File Locker for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Quick File Locker alternative is VeraCrypt, which is both free and Open Source. Other great apps like Quick File Locker are Cryptomator, TrueCrypt, LUKS and Axcrypt.