SoftnagFree

Password Generator

PopularSecurity Tools

Generate cryptographically secure, un-crackable passwords, memorable passphrases, and PINs with custom length, symbol, and character rules.

100% In-Browser Privacy
Zero Server Uploads
Generated Secure KeyEntropy: 115 bits (Very Strong)
Password Length: 18 Characters18

Who Is Password Generator Built For?

Security-conscious individuals securing email, banking, and social media accounts
System administrators generating strong root/admin credentials and database secrets
Teams creating secure temporary credentials and API authentication tokens

Key Benefits & Core Capabilities

Cryptographically Secure Randomness

Uses the browser’s native crypto.getRandomValues() CSPRNG engine for true unpredictable entropy.

Multiple Password Modes

Random Characters, Diceware-style Memorable Passphrases (e.g. "correct-horse-battery-staple"), and Numeric PINs.

Exclude Ambiguous Characters

Optionally removes easily confused characters like (O vs 0, l vs 1, I vs |) for effortless manual typing.

100% Client-Side Privacy

Passwords are generated directly in browser RAM; zero secrets are ever transmitted across the network.

Step-by-Step Guide: How to Use Password Generator

  1. 1
    Choose LengthSelect password length from 8 to 64 characters.
  2. 2
    Select Character SetsToggle uppercase, lowercase, numbers, and symbols.
  3. 3
    Copy PasswordCopy your high-entropy password.

How It Works & Technical Architecture

The Password Generator constructs a character pool based on your chosen criteria (Uppercase, Lowercase, Digits, Symbols).

It seeds an in-memory Uint32Array using the Web Crypto API (crypto.getRandomValues), applying unbiased modulo reduction to select characters from the pool.

For Diceware passphrases, it selects cryptographically random words from an curated dictionary of 7,776 phonetically distinct words.

Practical Use Cases & Applications

Banking & Financial Accounts

Generate 20+ character passwords with numbers and symbols for investment and banking logins.

Password Manager Vault Setup

Create strong master passwords and individual account credentials for Bitwarden or 1Password.

Database & API Secret Keys

Generate 32-character random alphanumeric strings for JWT secrets and encryption keys.

WiFi Network Passwords

Create memorable 4-word passphrases for guest Wi-Fi networks that are easy to say out loud.

Supported Formats & Input Options

Length (6 to 128 chars)Uppercase (A-Z)Lowercase (a-z)Numbers (0-9)Symbols (!@#$)Exclude Ambiguous

Frequently Asked Questions

Are the generated passwords saved or sent to any server?

Never. Passwords are generated 100% locally in your browser memory using the Web Crypto API. No password data is ever transmitted across the internet.

Why are passphrases (e.g., "correct-horse-battery-staple") safer than short passwords?

Passphrases have massive entropy because combining 4 or 5 random words creates trillions of mathematical combinations, making them virtually impossible to brute-force while remaining easy for humans to remember.

What is the recommended minimum password length?

Modern cybersecurity standards (NIST and CISA) recommend a minimum length of 16 characters for standard logins and 20+ characters for critical admin accounts.

Can I exclude confusing characters like "0" and "O"?

Yes. Check the "Exclude Ambiguous Characters" option to avoid similar-looking letters and numbers.

Can I copy the generated password with one click?

Yes. Softnag features a one-click copy button with instant visual feedback.

How secure is this generator?

It uses window.crypto.getRandomValues(), the industry gold standard for cryptographic entropy in browsers.