Xor

Xor is a command-line tool that facilitates text encryption and decryption using the XOR algorithm, in addition to encoding and decoding via base64.
It doesnt require installation, so you can copy the downloaded .exe file to a local or removable disk, and call its process from a Command Prompt dialog. It doesnt bring any modifications to your Windows registry.
The usage is xor password or [base16encode|base16decode]
If the password word is replaced by base16encode or base16decode, then the application is instructed to encode / decode using base64, instead of XOR encryption/decryption. The information prepared for processing is read from stdin and written to stdout. Meanwhile, diagnostic messages are created in stderr, buy they can be re-routed to 2>/dev/null (Unix) or 2>NUL (Windows) if they are unnecessary. Binary files and keys are supported.
XOR (Exclusive-OR) encryption is a powerful security algorithm that cannot decrypted by those who attempt to crack it using brute force methods. Although its weak point lies in the possibility to predict patterns, this issue can be resolved by compressing the file before encryption. An encryption key is required for decrypting text.
base64 translates binary data into ASCII format to safely transmit messages across networks and keep them unaltered.