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Random password generator

Use our password generator for strong, memorable passwords and passphrases. Custom length and elements. Private and secure.

Random password generator

First character
Other characters

Word-based password generator

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Password strength checker

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Password generator FAQ

A strong password should include a mix of lower-case and upper-case letters, numbers, and special characters. However, the overall password length is even more important than the characters used, as password cracking programs will start with shorter password guesses before moving on to longer phrases. A very strong password should include all kinds of characters and be at least 12 characters long.

Another common vector of attack on passwords is to use common English words that many people have used before. This is called a ‘dictionary attack’, because the attackers will guess combinations of common dictionary words in an attempt to gain access. This is why the best passwords will include a random combination of characters, symbols, numbers, and words.

One tradeoff with generating a random password is that it can be too difficult to remember for everyday use. This is where using reputable password manager software can save you countless headaches, while simultaneously increasing your security.

Entropy bits refer to the unpredictability of your password. It is a measure used in information theory, and is based on the length of the password and character set used. The more bits of entropy your password or passphrase has, the harder it is for an attacker to guess.

The charset is simply the total number of unique characters in the password. For example, the password “abcdabcdabcdabcd” is a good length at 16 characters long, but not secure at all because the charset is only 4 characters. This is why using capital letters, numbers, and symbols is a necessary practice.

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