Cryptographic Passphrase Generator
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About Passphrase Generator
The Diceware Multi-Word Passphrase Generator creates memorable, cryptographically strong passphrases (e.g. `correct-horse-battery-staple`) using the EFF Long Wordlist with customizable word counts, separators, capitalization, and number insertions.
How to Use Passphrase Generator
Step 1
Select word count (5+ words recommended for master passwords).
Step 2
Choose separator character and capitalization mode.
Step 3
Inspect the generated memorable passphrase and entropy score.
Step 4
Click "Copy Passphrase".
Practical Use Cases for Passphrase Generator
Master Password Creation for Password Managers
Generate high-entropy, human-memorable master passwords for 1Password, Bitwarden, and KeePass vaults.
Full-Disk Encryption (LUKS / FileVault / BitLocker)
Construct secure passphrases that can be easily memorized and typed on physical computer keyboards without typos.
Input & Output Examples
Generating 5-Word Diceware Passphrase
Word Count: 5, Separator: "-", Capitalize: TitleCase, Insert Number: true
Passphrase: Velvet-Cosmic-7-Falcon-Pancake (Entropy: ~64.5 bits)
Key Features & Performance
- ✓Uses the official EFF (Electronic Frontier Foundation) 7,776-word dictionary list.
- ✓Configurable word count (3 to 10 words) with real-time entropy calculation in bits.
- ✓Custom separators (hyphen `-`, underscore `_`, space ` `, dot `.`, or none).
- ✓Optional number and special character insertions for strict corporate policy compliance.
- ✓100% Client-Side generation.
- ✓1-Click Copy passphrase.
Key Terminology & Definitions
Diceware Passphrase
A method for creating memorable passphrases by randomly selecting words from a standardized wordlist with known entropy.
EFF Long Wordlist
A curated list of 7,776 common English words specifically chosen to eliminate easy-to-mistype words and offensive terms.