Password Generator

Cryptographically secure random passwords with configurable character pools and entropy readout.

Generator Numbers & Math Updated Apr 20, 2026
How to Use
  1. Pick length and character classes.
  2. Click Generate — click the password to copy.
Options
Passwords

Entropy guide

Weak
< 60 bits — crackable offline
Strong
80-100 bits — OK for most accounts
Very strong
> 128 bits — future-proof

About the Password Generator

Need a hand with everyday maths and number work? The Password Generator does the work for you — free, and right here in your browser. Cryptographically secure random passwords with configurable character pools and entropy readout.

How it works

Pick your options and the tool makes the result right away. Do not like it? Make another one — you can do this as many times as you want. When it looks right, copy it into your own project. Everything is made on your device, so it is yours alone.

Want the deeper story? The Knowledge Base explains the ideas behind the tools in more detail.

Frequently Asked Questions

How do I use the Password Generator?

Just pick your options. The answer shows up right away — there is no button to press. Change anything and it updates by itself.

Is it free? Does it work without internet?

Yes to both. It is free with no sign-up, and once the page has loaded it keeps working even with no internet.

Where does my data go?

Nowhere — every calculation runs on your own device. Nothing you enter is uploaded, logged, or stored.

Common Use Cases

Try different numbers

Change one thing and watch the answer change. It is an easy way to compare your choices.

Nothing to set up

Open the page and start. There is nothing to install, and no account to make.

Check your work

Worked it out yourself? Use the Password Generator to make sure your answer is right.

Safe and private

Everything you type stays on your device. Nothing is sent to a server or saved.

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