Online random passwords do not generate or return random numbers, or numerical digits its return a string of characters, using random numbers chosen by available characters, numbers, or symbols arrays and provide mixed letters, numbers, symbols with select lengths.
Yes, currently MyFreeOnlineTools generated passwords online code by Javascript and does not save in a browser cookie or anywhere and any database. And the generated password is random every time. The concept behind generating passwords is only to provide strong and unique.
Yes, Customization of generating passwords by MyFreeOnlineTools is available. An increase and decrease of length password are possible and also include and exclude the letters of uppercase or lowercase, number, and symbols.