CryptKeeper

An antivirus does not ensure total protection, with sadly no way of keeping your computer fully secure. This doesn't put your private files in danger, because you're the only one responsible for all data loss or malicious infiltrations. However, if you do want to keep some documents or text strings safe, turning to applications like CryptoKeeper is amongst the proper solutions.

Can be used on the go

The program is portable, meaning you can take it and your important files wherever you go simply by storing them on a USB Flash drive. It also helps keep the system intact, with registries being untouched and minimum impact on system resources.
Specialized in encryption, the interface is rather poor, but the Matrix style colors and background make it a little easier to get to know. The main window lets you access all areas it covers and even if the list might seem decent, not a lot of variety is found under the hood.

Hash files and encrypt text

Programming enthusiasts find that this tool can come in handy. Any file you give it can be hashed using different algorithms like MD5, variations of SHA, as well as CRC. The process narrows down to dragging the target file over the window with results displayed in a small field for you to copy and use in other projects.
A raw data extraction tool functions in a similar manner, but for text this time. Depending on your intentions, custom text strings are transformed at the press of a button into raw data supported by C, C#, VB.net, Pascal, Java, Python and PHP. Sadly, you can't load any type of file, not even TXT, but you can save results as plain text files.

Store passwords and protect your account

Still related to text is a powerful encryption feature. It too lacks import options, with the whole process being configured and put in motion in a similar manner. Encrypted and decrypted text fields are at your disposal, as well as different password settings to determine strength. Algorithms used aren't abundant, with options like 3DES, RSA, Binary, MD5, SHA, Hex, AES, XoR and a few more.
You can add an extra layer of protection even over the application's set of features. Adding a custom user and password makes a requirement window pop up at each launch so only you have access. Amongst others, a password storage is at your disposal, but it's too straightforward, with no possibility to attach at least notes or where they're used.

To sum it up

All in all, CryptoKeeper comes with good intentions by gets stuck along the way. Other than using its set of features along with programming or securing text, practicality has little to no saying in the matter. Multiple algorithms and tools are at your fingertips but they're not too different or hardly function properly. If you consider an antivirus doesn't provide enough protection, then it's best you don't turn to this app for what you need.