🔑 Password Generator
Create strong, cryptographically random passwords with custom length and character sets. Useful for making a unique password for every account. Free, unlimited, private — works entirely in your browser.
How to use
- Set the Length (4–128 characters; 16 is the default).
- Tick or untick the character sets — Uppercase, Lowercase, Digits, Symbols (all four are enabled by default).
- Click Generate Password — a new password is created instantly using your browser’s cryptographically secure random generator.
- Click Copy to copy the password to your clipboard, then paste it into the signup form or your password manager. Click Generate again any time for a fresh one.
FAQ
Is it really free?
Yes — every tool on this site is 100% free with no limits, no signup and no watermarks.
Is my data private?
Absolutely. All processing happens locally in your browser. Your files are never uploaded to any server.
Are these passwords truly random?
Yes. Generation uses your browser’s cryptographically secure random number source (crypto.getRandomValues), not the predictable Math.random() used in demos. Every character is drawn independently from your selected character pool, with no patterns.
How long should my password be?
The 16-character default is strong for most accounts. For high-value accounts such as email, banking or your password manager, use 20–32 characters. Security grows exponentially with length — each extra character multiplies cracking time.
Why are some characters missing from the pools?
The pools deliberately skip look-alike characters (such as 0 vs O and 1 vs l) so passwords are easier to read aloud or type from another screen without mistakes.
Can I reuse one generated password on several sites?
No — never reuse passwords. If one site’s database leaks, attackers automatically try the same credentials on other services. Generate a unique password for every account and store them in a password manager.
Password Generator Guide
A password generator exists for one reason: humans are terrible at inventing randomness. We pick pets' names, birth years and keyboard patterns like "qwerty123" — exactly what attackers guess first. This tool replaces that weakness with true machine randomness, producing passwords no human could predict and no dictionary could contain.
How it works
Each password is built from your selected character sets — uppercase, lowercase, digits and symbols — using your browser's cryptographically secure random number generator (crypto.getRandomValues), the same grade of randomness used in TLS encryption. Nothing is sent to a server, so each password exists only on your device. The pools deliberately skip look-alike characters (0/O, 1/l/I) to reduce errors when you read a password off one screen and type it into another.
Length beats complexity
Security grows exponentially with length. A 16-character password drawn from all four sets carries roughly 105 bits of entropy — beyond brute-force reach for any conceivable attacker. For your most valuable accounts (email, banking, your password manager itself), generate 20–32 characters. Your email deserves the longest password of all: whoever controls your email can reset nearly every other account you own.
Using generated passwords safely
Never reuse a password across sites — credential-stuffing attacks turn one leaked database into access to every account sharing that password. Store generated passwords in a reputable password manager so you only ever need to remember one master password (make that one a long, memorable passphrase). Turn on two-factor authentication wherever it is offered; a strong password plus a second factor survives even a full database leak. If a service tells you your password appeared in a breach, generate a fresh one here immediately and update it everywhere it was used.
One last habit makes all of this effortless: generate the password at the exact moment you create the account, save it to your password manager immediately, and never try to memorize it yourself. If you ever want to double-check a password you typed by hand, paste it into this site's Password Strength Checker to confirm it scores Strong — but for real accounts, a freshly generated random password beats a checked human-made one every time.