KeyScrambler Personal an anti-keylogging program which protects all parts of the browser and encrypts everything you type into a web page—logins, account numbers, addresses, and email messages. Absolutely Free.
The browser add-on protects everything you type into a web page on all websites and in all parts of the browser:

• All websites: login credentials, credit card numbers, passwords, search terms and more.
• All parts of the browser: Java, Flash, PDF Forms, including Runescape and many bank logins.
• All web email: Yahoo mail, hotmail, and gmail.
• Major browsers: IE, Firefox, Flock.

This release of KeyScrambler fixes occasional occurrences of scrambling or beeping when switching applications.