Password & Passphrase Suite

Security & Privacy

Create cryptographically secure random passwords, human-memorable multi-word passphrases, and PIN codes. Features real-time bit entropy calculation, brute-force crack-time estimation, and bulk export—100% computed locally in your browser memory.

100% Client-Side
Generating...
Security StrengthVery Weak (0 bits)
Est. brute-force crack time: Instant

Configuration Settings

20 characters

Zero-Knowledge Privacy Guarantee

This Password & Passphrase Suite executes 100% locally in your browser’s JavaScript memory using client-side Web APIs. No inputs, keys, tokens, files, or outputs are ever uploaded to any server or logged in any database.

Key Features & Capabilities

  • Cryptographically secure RNG using Web Crypto API (crypto.getRandomValues)
  • Custom length (8 to 128 characters) and custom character sets
  • Memorable Diceware multi-word passphrases with custom separators
  • Real-time bit entropy meter and brute-force crack time estimates
  • Bulk generator mode with 1-click text export
  • 100% client-side privacy: passwords are never sent over the network

How to Use This Tool

  1. 1Select your generator mode (Strong Random, Memorable Passphrase, or Numeric PIN).
  2. 2Adjust length, word count, and character inclusions as desired.
  3. 3Check the real-time entropy score and estimated crack time.
  4. 4Click Copy or generate in bulk and download as a text file.

Frequently Asked Questions (FAQ)

No. Passwords are generated 100% within your browser using the cryptographically secure Web Crypto API (window.crypto.getRandomValues). No data leaves your device.

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