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Strong password generator

Create a strong password, or a passphrase of random words that is easier to remember. Made on your device, never sent anywhere.

Private by design: this tool runs in your browser. Nothing you add is uploaded.

Passphrase words from the EFF short word list (CC BY 3.0 US).

How to use it

  1. Choose a passphrase or a character password.
  2. Press "New password" until you like one.
  3. Copy it into a password manager.
Screenshot of the Password generator tool on Sureno, in use
Password generator in use: a real screenshot of this page.

Questions and answers

What makes a password strong?

Length and randomness. Four or five random words, or 14 or more random characters, are very hard to guess.

Should I reuse a password?

No. Use a different one for every site, and a password manager to remember them.

Is the password sent anywhere?

No. It is made in your browser with secure random numbers and is never saved or sent.

Related tools

Password strength checkerSee how long a password would take to crack. It never leaves your device.Password protect PDFLock a PDF with a password before you send it.Hash generatorMD5, SHA-1 and SHA-256 fingerprints for text or a file.UUID generatorRandom UUID version 4 identifiers.Random number generatorRandom numbers between any two values, for draws and games.What is my IP address?See the IP address websites see when you visit them.

All of this, one click away

Sureno Browser keeps a PDF editor and everyday tools built in, and works offline. Free, calm and private.

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