Random Number
Generate one or many random numbers within a range.
Generate strong random passwords to your own rules.
Generates strong random passwords locally, with adjustable length and character sets and an option to exclude look-alike characters.
Length and character sets (upper, lower, digits, symbols) are adjustable, and the password is generated locally.
A strength read-out points out when the length or the alphabet is too narrow.
A short history keeps recent passwords so you can compare candidates.
Set length and characters
Upper, lower and digits are on by default; add symbols when the site allows them.
Read the strength hint
Length does most of the work; the character set decides how well it stands up to dictionary attacks.
Copy and use
Recent passwords stay in the history list while you choose.
No. It comes from the browser secure random source and only ever exists on this page.
16 characters with upper, lower and digits covers most accounts; add symbols and two-factor authentication for anything important.
Generate one or many random numbers within a range.
Pick a random winner from your own list.
Roll one or more dice and read the total.
Play a quick round of rock, paper, scissors.
Run a countdown timer with an alert when it ends.
Judge how long a password would take to crack.
Escape quotes and control characters for embedding in JSON.