Encrypt / Decrypt is a Chrome extension that uses a local encryption algorithm (AES256). The algorithm supports the use of local javascript and APIs. There is no guarantee about the security of your sensitive information.

It is recommended that you use [Encrypt / Decrypt] to create a secure place to store sensitive information. If you plan to give your user profile to third parties, you should investigate other available options.

So if you're looking for a tool that will add another layer of security to your system, this extension would be a great option.