Strong Password Generator
Create long, random passwords with uppercase, lowercase, numbers, and symbols. Passwords are generated locally in your browser using secure randomness—nothing is sent to our servers.
Balanced avoids confusing characters like 0, O, 1, and l.
Use 16+ characters for most accounts; 20+ for email, banking, and admin tools.
Helpful when you may need to read or type the password manually.
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Part of Random generators
Strong password generator: long, random, browser-local
A strong password generator builds long random strings from uppercase, lowercase, numbers, and symbols so you can fill a password manager without inventing patterns. Length and true randomness beat clever substitutions like “P@ssw0rd”.
Generation runs in your browser after the page loads. Still follow your employer’s policy, and never reuse the same secret across banks, email, and social accounts.
How to use this converter
- Pick a preset (strong, memorable length, or custom) or set length manually (16–20+ for important accounts).
- Toggle character sets; exclude ambiguous characters if you must type the password by hand.
- Generate, copy once into your password manager, and save the vault entry.
- Enable MFA on the account—passwords alone are not enough for email and admin panels.
Before and after examples
| Original | Converted | Notes |
|---|---|---|
| Length 20, all sets | High-entropy manager secret | Default strong preset |
| Length 16, no symbols | Sites with symbol bans | Compensate with length |
What “strong” means in practice
Modern guidance (including NIST-style advice) prioritizes length and uniqueness over frequent forced rotation. A 20-character random password from a large character pool resists guessing far better than an 8-character phrase with one symbol.
Avoid personal data, keyboard walks, and seasonal patterns (“Summer2026!”). If a site bans symbols, increase length instead of weakening the whole secret.
Password managers and MFA
Store generated passwords in a manager so you never reuse them. Turn on multi-factor authentication wherever offered. For API keys and service accounts, generate random strings and keep them in a secrets manager—not in chat or tickets.
Passwords vs UUIDs and PINs
UUIDs are identifiers, not login passwords—use the UUID generator for resource IDs. Short numeric PINs for devices are a different threat model; use the random number generator only when a site truly requires digits, and prefer longer secrets when allowed.
Frequently asked questions
Is a browser generator safe?
Local generation after page load does not need to send the password to a server. Prefer HTTPS pages you trust, and store results in a manager.
How long should passwords be?
Aim for at least 16 characters for most accounts; 20+ for email, banking, and the manager master password.
Should I change passwords every 90 days?
Forced rotation often creates weaker patterns. Change passwords after suspected compromise or a known breach instead.