Password Generator
Pick a length and character types. Your passwords never leave this page.
Premium50 or 100 at a time, CSV download. The same Premium also unlocks extra features in our other tools. Learn more
Passwords are generated in this page with your browser’s cryptographic random number generator (crypto.getRandomValues). Nothing is sent or stored.
How to use
- 1. Set the lengthUse the slider or type a number. 16 characters or more is a good default.
- 2. Choose charactersUppercase, lowercase, numbers and symbols. Each type you pick appears at least once.
- 3. Copy and useClick “Copy” next to a password, or download them all as a .txt file.
How long should a password be?
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) recommends passwords of at least 16 characters, made of a random string of mixed-case letters, numbers and symbols.
This generator starts at 16 characters with uppercase, lowercase and numbers. Turn on symbols if the site allows them.
Sources: CISA – Use Strong Passwords
How much stronger does each character make it?
Strength here is measured in bits: length × log2(number of possible characters). Each extra bit doubles the number of guesses needed.
| Characters | Count | 8 long | 12 long | 16 long |
|---|---|---|---|---|
| Numbers only | 10 | 27 bits | 40 bits | 53 bits |
| Lowercase only | 26 | 38 bits | 56 bits | 75 bits |
| Upper + lower + numbers | 62 | 48 bits | 71 bits | 95 bits |
| Upper + lower + numbers + symbols | 75 | 50 bits | 75 bits | 100 bits |
Keep your passwords safe
CISA advises using a different strong password for every account, and a password manager to generate, store and fill them in for you.
Sources: CISA – Use Strong Passwords
FAQ
Who is this password generator for?
It suits anyone signing up for a new account who doesn't want to invent a strong password, IT and office staff who need several starter passwords for new colleagues, people setting a Wi-Fi or router password, and anyone choosing a PIN who wants a truly random one.
When is it useful?
For example, when a site asks for a certain length or for symbols, when a password has to be read aloud or written on paper and must avoid look-alike characters, or when you need a batch of passwords for a team and want them in a .txt file.
What are the benefits?
Passwords we make up ourselves tend to follow patterns, such as names or birthdays. This page uses a cryptographic random generator, so you get a pattern-free password in a second, together with a strength estimate that helps you pick the length and character types.
Are my passwords sent anywhere or saved?
No. They are created in this page and never sent anywhere. The page doesn't keep them either, so reloading it gives you new ones. Copy or download the ones you use and keep them in a password manager.
Are these passwords secure?
They are generated with your browser’s cryptographic random number generator (crypto.getRandomValues), which is designed to be unpredictable. They are never sent over the internet.
How long should a password be?
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) recommends passwords of at least 16 characters, made of a random string of mixed-case letters, numbers and symbols. This generator starts at 16 characters with uppercase, lowercase and numbers; turn on symbols if the site allows them.
What does the strength show?
It shows the number of possible combinations as bits: length × log2(number of possible characters). 80 bits or more is shown as “Very strong”, 60 or more as “Strong”, 40 or more as “Fair”, and anything lower as “Weak”.
What does “exclude look-alike characters” do?
It removes characters that are easy to confuse, like I, l and 1, or O, 0 and o. Useful when someone has to read, write down or type the password.
Can I make a 4-digit PIN?
Yes. Click “4-digit PIN” to set the length to 4 and use numbers only.
Can I choose which symbols to use?
Yes. Tick “Symbols” and edit the box next to it. It starts with ! @ # $ % ^ & * - _ = + ?. Only standard keyboard symbols are used, and duplicates count once. If a site rejects a symbol, simply delete it from the box.
Will every character type I pick be included?
Yes. Each type you tick (uppercase, lowercase, numbers, symbols) appears at least once in every password.
What does “No repeated characters” do?
No character appears twice in the same password. The length can't be longer than the number of available characters, so if it is, a message shows the maximum. Shorten the password or add more character types.
How long, and how many at once?
Lengths from 4 to 128 characters. The slider goes up to 64; type a number for longer ones. You can create 1, 5, 10 or 20 at a time, and 50 or 100 with Premium.
How do I save my passwords?
Use “Copy” next to each one, “Copy all”, or “Download .txt” for a file with one password per line (passwords.txt). Premium adds “Download CSV” for spreadsheets.
Can Premium store my passwords on this site?
No. Even with Premium, passwords are never kept on this page or on our servers. Premium adds 50 or 100 passwords at a time and CSV download. Keep the passwords you use in a password manager.
Does it work on a phone?
Yes. On a narrow screen the settings come first and the passwords sit below them. Tap “Copy” next to a password and paste it into the other app.
Can I include letters from other alphabets or emoji?
No. Passwords use only A–Z, a–z, 0–9 and standard keyboard symbols, which almost every site accepts.
How should I look after my passwords?
CISA advises using a different strong password for every account, and a password manager to generate, store and fill them in for you.
Premium
One Premium. Every upgrade, as much as you like.
- 50 or 100 at a time
- CSV download
- All paid features in every extension
- Premium features in Kitbench web tools
- Extensions we release later are included
- Monthly¥980/month
- Yearly¥9,800/year (about ¥817/month)
- Lifetime¥14,800 once
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