Rated 4 out of 5 stars

Από τον/την Nils Maier στις Δεκ. 27, 2007 · μόνιμος σύνδεσμος

I personally don't see the point in having a master password that one cannot type correctly.
But this extensions seems to be valid. The code does not contain anything harmful, just switches the type of the input field on toggle.