Password Generator

Generate strong, random passwords for free. Set length, include symbols, numbers, and mixed case. Copy with one click. No data stored or sent anywhere.

Password Settings
8 16 64
Generated Passwords
Strength: Medium
Your generated passwords will appear here
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Security Tool

Secure Password Generator

Create strong, cryptographically secure passwords with custom lengths, character set exclusions, and entropy ratings.

Local Key Generator
STEP 01

Set Password Length

Choose the length of your key using the slider (ranging from 8 up to 64 characters).

STEP 02

Toggle Set Filters

Toggle character rules including Uppercase, Lowercase, Numbers, and Special Symbols.

STEP 03

Generate & Rate

Click "Generate" to generate a cryptographically random key along with its entropy rating.

STEP 04

Copy to Clipboard

Click "Copy" to save the secure password straight to your system clipboard safely.

Your Privacy Matters

All processing stays in your browser

No Server Uploads

Files never leave your device

Auto-Cleared

Data removed when you close

Generator Features

Key Capabilities

Key Cryptography

Cryptographic random entropy

Uses secure browser APIs (`window.crypto.getRandomValues`) rather than pseudo-random math loops to generate high-entropy keys.

Real-time strength & entropy evaluation

Provides instant visual gauges of crack resistance based on entropy bits and brute force time estimates.

Exclusion of confusing characters

Features toggles to prevent hard-to-distinguish characters like 'O' vs '0' or 'l' vs 'I' from appearing in your password keys.

Optional readable passphrase mode

Allows generating easy-to-remember passphrases composed of random words separated by custom hyphens.

100% Client-Side Privacy

Your generated passwords, length parameters, character filters, and key configurations are kept strictly confidential. The math executes entirely offline inside your browser sandbox. We never upload, log, or store your passwords.

Support

Password Questions

Quick help
Q1 What is a cryptographically secure random number generator (CSPRNG)?
A CSPRNG is a pseudo-random number generator with properties that make it suitable for cryptographic use. It ensures that the numbers generated are completely unpredictable and have high entropy, making them impossible for attackers to guess.
Q2 What makes a password strong?
A password is strong if it is long (at least 12-16 characters) and contains a random mixture of uppercase letters, lowercase letters, numbers, and special symbols. Randomness and length are key to preventing brute-force attacks.
Q3 What is password entropy?
Password entropy is a measurement of how unpredictable a password is, calculated in bits based on character length and the size of the character pool used. Higher entropy ratings mean the password is much harder for automated scripts to crack.
Q4 Is it safe to copy my generated passwords here?
Yes. Since all generations execute offline in your browser's local sandbox, your generated keys never exit your device or cross the network. We recommend using a trusted password manager to store them securely.
Q5 Are any generated keys, passwords, or seed parameters sent to a database?
No. All password strings, character filtering, length configurations, and entropy calculations are processed fully client-side on your local device. We do not track, log, or upload any password data to any server.