If you want to lock your text documents online, ilocker is a free web service that will help you to lock your text documents online. It is very simple and east to use no sign up is required for using ilocker.
To get start, simply paste your text into ilocker and create your password and save the document. When you create your user name and password, no one will ever have access to the information. After save your text you will get an id this id will used for open your document again. If you want to delete your document ilocker allows you deleting your document.