Encryption is one important key to keeping data safe online and encryption in the browser is one step in that process. Encrypting in the browser before sending your data to a website will secure it from prying eyes who might be watching the website traffic. An SSL certificate performs a similar task of protecting your data during transit and is a critical step in itself. This encryption of data in your capx is just an added step in the process. Here is an example:
Encrypt String: Encrypts a piece of data so it cannot be easily read without a password.
Decrypt String: Decrypts a piece of data previously encrypted using this method.
EncryptedString: The string of data after it has been encrypted.
DecryptedString: The string of data decrypted after previously having been encrypted.