DukoTools

Password Generator

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Generate secure passwords and passphrases with entropy scoring and copy controls.

Free Forever
No Signup Required
No Files Stored

Estimated entropy: 95 bits

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Add this tool to your website or blog with a single iframe snippet.

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About Password Generator

Password Generator creates cryptographically strong passwords and memorable passphrases for personal and professional security workflows. You can tune length, character sets, and generation count, then copy individual values or all values together. For readability-oriented setups, passphrase mode combines random words with custom separators. The interface includes entropy estimation so users can understand relative strength before applying credentials to production systems. Everything runs in the browser using secure randomness APIs, and no generated secrets are transmitted or stored remotely.

Key Features

  • Secure Random Generation

    Uses browser cryptographic randomness to produce unpredictable passwords. This is stronger than pseudo-random approaches for security-sensitive use.

  • Character Set Controls

    Toggle lowercase, uppercase, digits, and symbols to match policy requirements. Length and count are configurable for batch output.

  • Passphrase Mode

    Generate memorable multi-word passphrases with adjustable separators. Useful for master credentials where typing reliability matters.

  • Entropy Indicator

    Shows estimated bit entropy so users can compare strength choices quickly. Helps communicate risk to non-technical stakeholders.

  • Single and Bulk Copy

    Copy one password or all generated outputs with dedicated buttons. Ideal for account provisioning workflows.

  • Client-Side Privacy

    Secrets remain local in your browser session. No generated credentials are sent to any server.

How to Use

  1. 1

    Pick mode

    Choose Password mode for strict random character strings or Passphrase mode for word-based secrets.

  2. 2

    Configure generation options

    Set length, count, and character options or passphrase word settings to match policy requirements.

  3. 3

    Generate output

    Click Regenerate or use Ctrl+Enter to create a fresh batch instantly.

  4. 4

    Review entropy and usability

    Check estimated entropy and ensure the output fits your security target and user context.

  5. 5

    Copy and apply

    Use copy buttons for individual or full output and paste into your password manager or onboarding docs.

Real-World Use Cases

Team Account Provisioning

An operations manager generates unique credentials for temporary vendor accounts and shares them through approved secure channels.

Personal Security Upgrade

A user replaces weak reused passwords with high-entropy generated credentials and stores them in a password manager.

Policy Compliance Testing

A security engineer tests generated outputs against enterprise password policy constraints before onboarding a new SSO exception flow.

Frequently Asked Questions

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