Generators
Password Generator
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Create strong, random passwords or easy-to-remember passphrases. Tune the length and character types, and see how strong the result is.
How to use this tool
Choose Password or Passphrase. A password is random characters, and a passphrase is random words from a word list.
For a password, set the Length and which characters to use (Uppercase, Lowercase, Numbers and Symbols), skip look-alike characters such as I, l, 1, O and 0, or type characters to leave out under Exclude these characters. For a passphrase, set the number of words, the separator and the word options. Choose how many to make: 1, 5, 10 or 20.
Passwords are made in your browser with its cryptographic random generator. Each shows a strength rating and how long it would take to crack. Press New password for another, use Hide password to cover a value, then Copy one or the whole list.
How to use this tool
Choose Password or Passphrase. A password is random characters, and a passphrase is random words from a word list.
For a password, set the Length and which characters to use (Uppercase, Lowercase, Numbers and Symbols), skip look-alike characters such as I, l, 1, O and 0, or type characters to leave out under Exclude these characters. For a passphrase, set the number of words, the separator and the word options. Choose how many to make: 1, 5, 10 or 20.
Passwords are made in your browser with its cryptographic random generator. Each shows a strength rating and how long it would take to crack. Press New password for another, use Hide password to cover a value, then Copy one or the whole list.
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Made by your browser's secure random generator.
A good password is long, unpredictable, and unique to one account. This generator handles the first two.
- Truly random
- Uses crypto.getRandomValues with unbiased selection, not Math.random, so every character is equally likely.
- Passwords or passphrases
- Pick a dense random password, or a passphrase of common words that is far easier to type and remember.
- Strength you can see
- Entropy in bits and an estimated brute-force time show the real effect of length and character choices.
Frequently asked questions
Are these passwords safe to use?
Yes. They come from the browser's cryptographically secure random number generator, and nothing is transmitted or saved, so only you ever see them.
Password or passphrase: which should I use?
Use a random password for accounts stored in a password manager. Use a passphrase of six or more words for anything you have to type or remember, such as a device login or the manager's master password.
How long should my password be?
At least 16 characters for important accounts. Length matters more than complexity: every extra character multiplies the work an attacker needs.
Where does the word list come from?
Passphrases use the EFF Short Wordlist (1,296 easy-to-spell words), published by the Electronic Frontier Foundation under a Creative Commons Attribution 3.0 licence.