What is a password generator?
A password generator quickly generates a number of random passwords, that you can choose from. This ensures, that your password will be more secure, not used twice, harder to guess, harder to hack and harder for an observant human to remember.
Choose a strong password from lists of randomly generated passwords from my password generator for use in different applications.
Random passwords for manual typing (8 characters).
If you need a password, that can be typed in manually, you can use one of these 8 characters long passwords. They should only be used with another authorization method or in trusted environments.
Random passwords (16 characters).
If you need a strong password and have a password manager, that fills in your passwords automatically, then you should use one of these 16 characters long passwords. They should be used with another authorization method or in trusted environments.
Random passwords for PayPal (32 characters).
PayPal states, that they support passwords, that are between 7 and 32 characters long and include the special characters “!@#$%^*()”, letters and numbers. However, I tested that and PayPal failed to handle strongest possible passwords within those limits. I recommend, that you use one of the generated passwords below, that excludes some of the special characters, that seems to cause problems for PayPal.
Random passwords for Facebook and social media services.
If you need a very strong password and have a password manager, that fills in your passwords automatically, then you should use one of these 32 characters long passwords. These are recommended for general application and web services, such as Facebook and other social media platforms.
Random passwords for WordPress and database driven services.
If you need an extremely strong password and have a password manager, that fills in your passwords automatically, then you should use one of these 56 characters long passwords. These are recommended for WordPress, MySQL and other modern databases and database driven web services.
Random usernames for non-social services.
If you are required to register to a non-social service with a username, you should use one the randomly generated usernames below. They are based on lowercase letters and somewhat pronounceable, while maintaining a unique and meaningless combination. I might improve these a bit more.
Notes about the generated passwords.
The randomly generated passwords and usernames should not contain reserved sequences, that can conflict with HTML, PHP, MySQL, text editors or authentication services. An example is generation of entity numbers, entity names or escaped sequences. For that reason, only a few safe special characters are used.
Each password has been generated on the fly and printed directly to this page. None of the passwords have been through a database, have been written to temporary storage or logged in the process. If you forget your password, it can not be recalled.
About my password generator.
My password generator, that generated the passwords above, is a piece of PHP programming code, that I wrote. It is based on PHP’s rand, str_shuffle and random_int functions. The random_int function generates unbiased cryptographically secure pseudo-random integers. It uses the cryptographically secure random generator /dev/urandom from the operating system, which is FreeBSD.
I wrote the password generation proces quite straight forward: It initially loads a set of special characters, a set of numbers, a set of upper case letters and a set of lower case of letters. It then generates 10 random passwords, that all are generated with the following procedure:
- It picks 1 random character from each set. This ensures, that each password contains at least 1 special character, 1 number, 1 upper case letter and 1 lower case letter.
- It then loads all sets into a combined pool of characters from which it randomly picks 1 character at a time until the desired password length has been achieved. This ensures, that the same characters can be used more than 1 time.
- Finally, it shuffles the password a random number of times. This ensures, that the password is unpredictable and safe to use as a password.
Use a password manager.
Read more about, how to use strong passwords in my post Use a password manager to store and fill in your passwords.
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