Strong password generator free

Cryptographic randomness right in the browser: the password never leaves your page.

100% freeStart without sign-upNo watermarks

Length: 16Uppercase lettersDigitsSymbols

15,000+ users4.9 average rating

ForbesMicrosoftLenovoL'OréalHubSpot

The gap between “qwerty” and a real password

BEFOREAFTER

How to create a password in 4 steps

01Pick the length

8 to 40 characters; 16 is the solid start.

02Tick the character sets

Uppercase, digits, symbols.

03Click Generate

Randomness comes from the browser's crypto RNG.

04Copy it into a password manager

And store it nowhere else.

Part of the Zerocoder platform

One tool of a platform where AI generates websites, images, video, text and documents — under one subscription.

Create image→

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Create avatar→AIAI Assistant● OnlineI can help with posts, articles and emails. Where do we start?Message…➤Write text→

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Passwords “from your head” — birthdays, qwerty, the cat's name — fall to dictionaries in seconds. A strong password is 16+ random characters from mixed sets. Our generator runs entirely in the browser on the cryptographic RNG: the password is never sent to a server and is invisible even to us. Look-alike characters (l, I, O, 0) are excluded so nothing gets mistyped. The rest of the free tools are in one section; AI-powered routine automation lives in the Zerocoder Studio.

Why length beats cleverness

Brute force grows exponentially with length: an eight-character alphanumeric password falls to a GPU in hours; a sixteen-character one outlasts geological epochs. The “clever” a→@ swap has been in dictionaries for decades. The rule: 16+ random characters for regular accounts, 20+ for email and banking — email unlocks recovery for everything else.

One service — one password

Breaches happen constantly, and leaked email-password pairs get replayed against hundreds of other services immediately. The only defence is a unique password per service. You don't memorise them: a password manager keeps them all, you keep one master password. Generating a fresh one takes two seconds.

Where not to keep passwords

Phone notes, a passwords.txt file, email drafts and saved-messages chats are the first places an attacker with device access looks. A password manager encrypts its vault; the browser's built-in store is an acceptable minimum. And enable two-factor auth everywhere it exists: a stolen password without the second factor is useless.