Is this password generator secure?

Yes. All password generation and strength checking runs locally in your browser. No data is sent to any server unless you explicitly export or copy the password.

How is password strength calculated?

Strength is calculated using entropy estimation based on length and character variety. The tool also checks for common patterns and offers suggestions to increase strength.

Can I customize the password policy?

Yes. You can set length, include/exclude uppercase, lowercase, numbers, symbols, and choose options like excluding ambiguous characters or generating a passphrase.

Can I export or copy generated passwords?

Yes. You can copy passwords to the clipboard, or export your generated results as a JSON or plain text file from the browser.

Generated password

Entropy

103 bits

Very Strong

Options

LowercaseUppercaseNumbersSymbols

Exclude ambiguous (Il1O0)Passphrase mode

Length: 16

Password Generator & Strength Checker

Generate strong, secure passwords or memorable passphrases with customizable options - length, character sets, entropy scoring, and instant strength feedback. Everything runs in your browser.

How to use the tool

Choose options. Set length and toggle character sets (uppercase, lowercase, numbers, symbols). Optionally exclude ambiguous characters (like 0/O, 1/l/I).
Generate. Click Generate to create a password based on your selected policy.
Check strength. Review the strength meter and entropy score. Use suggestions to improve the password if needed.
Copy or export. Use the copy button to copy securely to your clipboard or export the password as a JSON or text file.
Use safely. Avoid pasting generated passwords on public devices and consider storing them in a reputable password manager.

Frequently Asked Questions

Is this generator secure?: Yes - generation and strength checks happen locally in your browser. Nothing is sent to our servers.
How is strength determined?: We use entropy estimation based on character sets and length plus pattern checks to provide an approximate strength score and suggestions.
Can I generate passphrases?: Yes - enable the Passphrase mode to get a series of random words for a memorable and secure password.
Can I export the password?: Yes - copy to clipboard or export as a JSON/text file. For security, avoid saving passwords in plain text in shared environments.

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