It is a CLI tool that scans for sensitive data in your text file and also has command utility to encrypt and decrypt the file.
Open the terminal in the folder where your text file is residing and for scanning use the following command:
sensitive-data-scanner.exe scan -i input.txt -sc
For encrypting the file use the following command:
sensitive-data-scanner.exe scan -i input.txt -e -p "your_passphrase"
For decrypting the file use the following command:
sensitive-data-scanner.exe scan -i input.txt.enc -d -p "your_passphrase"