Use this tool at your own risk See why

That being said, this tool uses the browser's built in cryptography modules to use AES-CBC to encrypt the data entered.
The cipher text and initialisation vector are then stored as a base64'd javascript object as part of a sharable URL.
I have attempted to keep the code simple and easy to read incase anyone cares 👍
I use a drop in CSS file as I can't design for 💩 (