1. Prioritize Length (16–20+ Chars)
Each additional random character multiplies the number of possible combinations by the size of your character pool. Moving from 8 to 20 characters increases cracking difficulty exponentially.
ON-DEVICE CRYPTOGRAPHIC RANDOMNESS
Human-picked passwords follow predictable patterns. Create unpredictable, high-entropy passwords right in your browser—or generate and save them directly inside the PassNote app on iOS and Android.
Generated locally in your browser. Never sent over the network.
THE SCIENCE OF STRONG PASSWORDS
Swapping an “E” for a “3” or adding “!” to a pet’s name no longer slows down modern password-cracking hardware. True protection comes from mathematical entropy.
Each additional random character multiplies the number of possible combinations by the size of your character pool. Moving from 8 to 20 characters increases cracking difficulty exponentially.
Humans naturally choose dictionary words, keyboard walks, or dates. A cryptographic random generator selects every character independently so attackers cannot use dictionary rules.
Even a 24-character password becomes unsafe if reused on multiple websites. If one service suffers a breach, unique passwords isolate the impact to that single account.
| Password Style | Example Pattern | Approx. Entropy | Recommended Use |
|---|---|---|---|
| 8 Chars (Letters only) | kQvBnRtM |
~45 bits | Avoid for important logins |
| 12 Chars (Mixed 4 sets) | R7#mK2$vP9@x |
~74 bits | Everyday low-risk accounts |
| 20 Chars (PassNote Default) | K9#mP2$vL8@nQ4!xR7&w |
~124 bits | Email, banking, cloud & work |
| 32 Chars (Maximum Pool) | 32 random mixed characters |
~198 bits | Master keys, crypto & admin |
NEXT STEPS
See how PassNote encrypts every generated password on your device before synchronizing across iOS and Android.
Bring saved logins from Chrome, Apple Passwords, Bitwarden, 1Password, or Firefox into PassNote in minutes.
Use the local Password Health dashboard in PassNote PRO to find older accounts that need a fresh password.