Password generator

Create secure credentials locally. Nothing you generate ever leaves this device.

Build a secure password

Characters12

Uppercase A–Z

Lowercase a–z

Numbers 0–9

Symbols !@#

Custom character rules

Allowed symbols

Supported: !@#$%&*()-_=+[]{};:,.?/ - other characters are ignored.

Exclude specific characters

Exclude confusing characters O 0 I l 1 o

Password to test

Checked only on this device. Never sent or saved by this app.

Up to 128 characters. Cleared when you leave this tab.

Not checked

Enter a password to check its strength.

Password statistics
Estimated guesses
Score

Estimated time to crack
100 / hour Throttled online attack
10 / second Unthrottled online attack
10k / second Offline attack, slow hash, many cores
10B / second Offline attack, fast hash, many cores

An estimate, not a security guarantee. This does not check data breaches or whether a password has been reused.

Generate a batch

Number of passwords (2–20)

Uses the current mode and options. Show/Hide also applies to this list.

Kept only until cleared, settings change, or you leave the page.