Tool
Random PIN Generator
Generate a random numeric PIN of any length.
Random PIN Generator
A numeric-only PIN of whatever length you choose -- 4, 6, or more digits -- drawn digit by digit with true randomness.
The digits-only version of the password generator, for the specific places that ask for a PIN instead of a full password.
Longer PINs close most of the gap with a short password's strength, which is worth knowing if the app or device you're setting it on allows more than 4 digits.
How the Random PIN Generator works — and why it's fair
Each digit is drawn independently from the 10-digit pool (0 through 9) using crypto.getRandomValues with rejection sampling, the same core approach as the password generator, just restricted to a digits-only character pool.
The entropy math looks different from a password because the pool is so much smaller: each random digit contributes about 3.32 bits of entropy (versus roughly 6.5 bits per character in a full mixed-type password), so a 4-digit PIN has around 13 bits of entropy total -- noticeably weaker than a short password, which is exactly why PINs typically need more digits (6 or 8) to reach comparable real-world strength, and why a longer PIN is worth choosing when the option that requires it is available.
Because 10 divides evenly into 256 far more cleanly than most outcome counts on this site (256 divided by 10 still leaves a small remainder), rejection sampling still applies, just discarding a smaller leftover range than something like the 26-letter draw needs to.
One more concrete comparison: an 8-digit PIN has about 26.6 bits of entropy, which is still meaningfully weaker than even a short 6-character mixed password's roughly 39 bits -- a useful reminder that a numbers-only code, however long, generally can't match a mixed-character password's strength per character.
Where a PIN generator gets used
Setting a phone lock screen or door entry code, generating a temporary voicemail PIN, or creating a code for a kid's allowance lockbox or a shared locker. Anywhere the interface specifically asks for digits only rather than accepting letters and symbols.
Some small businesses use it to generate one-time numeric codes for point-of-sale system access when a full alphanumeric password isn't supported by the hardware.
If the destination actually accepts a full mixed-character password, the random password generator produces meaningfully stronger security per character.
Some parents use it to generate a temporary numeric passcode for a child's first device, planning to have the child memorize and later change it once they're comfortable managing their own credentials.
Frequently asked questions
Does it avoid obviously weak patterns like 1234 or repeated digits?
Each digit is drawn independently at random, so sequential or repeated-digit PINs can occur by chance the same as any other combination -- the tool doesn't specifically filter them out, since doing so would actually reduce the randomness of the remaining digits.
How much stronger is a 6-digit PIN than a 4-digit one?
Roughly 100 times stronger in terms of the number of possible combinations -- going from about 10,000 possibilities to about 1,000,000.
Are all 10 digits equally likely at every position?
Yes -- each position is an independent, equally-weighted draw across 0 through 9.
Should I use this or the password generator?
Use this when the destination requires digits only; use the password generator whenever letters and symbols are allowed, since it produces stronger results per character.
Why does a digit contribute less entropy than a full password character?
Entropy per character depends on the pool size it's drawn from -- 10 digits is a much smaller pool than the roughly 94-character set a full password can draw from, so each digit inherently carries less information.
Is there a maximum PIN length supported?
No fairness-related cap -- longer PINs are drawn digit by digit the same way as shorter ones.
Would a PIN generated here ever start with a 0?
Yes -- each digit position, including the first, is drawn independently and equally from 0 through 9, so a leading zero is just as likely as any other digit.
Can I generate multiple PINs at once to compare?
You can run the draw repeatedly to generate several independent PINs; each one is a fresh, unrelated random draw.
Does the tool remember PINs I've generated before?
No -- nothing is stored between draws or sessions; each PIN exists only in that moment unless you record it yourself.