Private in Public allows you to encrypt small sections of the content you write into webpages.
This is a Chrome Exentions that allows you to encrypt small sections of the content you write into webpages. It will convert:
"I like §e:U2FsdGVkX19Xp4CdT/7my8bAGzYjdUFvkUD5jULkg78=§" into
"I like §d:postmen§"
When you are viewing a page with encrypted content, the bookmarklet will let you view them, provided that you have the right passphrase. You can share your passcode with friends, or not.