title: SHA-256 password generator
body: <p>i saw a javascript implementation of sha-256.
  i waana ask if it is safe (pros/cons wathever) to use sha-256 (using javascript implementation or maybe python standard modules) alogrithm as a password generator:</p>
  
  <p>i remember one password, put it in followed(etc) by the website address and use the generated text as the password for that website.
  repeat process every time i need password
  same for other websites</p>