Buttercup

Buttercup is a multiplatform security tool that allows you to securely store your passwords. The tool has 256-bit AES encryption and all your collected login information, such as usernames or passwords, is stored in encrypted files.

One of the advantages that Buttercup offers is its very simple interface and smooth guided process, designed so that any type of user can find their way around the app. So, the only thing you need is a master password to encrypt your files. This password will allow you to access all your encrypted information and prevent unauthorized access to your data.

The process for encrypting a file is very simple. The first thing you will have to do is tap the '+' button and select one of the available options to choose your files: Dropbox, Drive, internal storage or WebDAV. Thanks to the ability to link these services to Buttercup, not only will you be able to protect any documents stored there, but you will also be able to share them like this, making them easier to find on any platform.