Forget the 12 to 24-word hassle. Protect your Bitcoin seed with AES-256-GCM encryption and simple, memorable 4–6 word EFF passphrases such as “correct-horse-battery-staple.”
Stop struggling with impossible-to-remember passwords. The Electronic Frontier Foundation's carefully curated 7,776-word list creates passphrases that are both secure and human-friendly.
Built-in BIP39 standard validation for 12, 15, 18, 21, and 24-word Bitcoin mnemonic phrases with real-time feedback and auto-completion
Eliminate the stress of memorizing 12-24 word Bitcoin mnemonics. Use memorable 4-6 word EFF passphrases like "correct-horse-battery-staple" to protect your valuable seed phrases securely.
Label and organize encrypted files with wallet tags (Main, Cold, Hot, Test) for easy identification and management of multiple wallets
Real-time monitoring of network connection status with forced offline mode to ensure secure environment for sensitive mnemonic operations
Uses AES-256-GCM encryption with random salt, random IV, PBKDF2 key derivation, and SHA256 file integrity verification
Generate simple, memorable passphrases using the official EFF Large Wordlist with 7,776 carefully selected words. Create high-entropy passphrases you can actually remember instead of complex random passwords.
Bridge the gap between security and usability. Transform complex cryptographic protection into simple words you can remember, write down, or share safely without exposing your actual Bitcoin keys.
Native applications for macOS, Windows, and Linux with consistent user experience and file format compatibility
Built-in security reminders, first-time user guidance, encryption/decryption warnings, and comprehensive safety recommendations
Based on Electronic Frontier Foundation's carefully curated 7,776-word list designed for maximum memorability and entropy. Each word is unique, pronounceable, and distinct to prevent confusion.
Generate passphrases like "correct-horse-battery-staple-mountain-river" that provide 77+ bits of entropy while remaining easy to remember, write down, or communicate safely.
Enforced offline mode during mnemonic operations with network detection and automatic isolation warnings
AES-256-GCM mode with random IV provides both encryption and authentication, ensuring complete data integrity
Prevents accidental mnemonic leakage with clipboard monitoring, auto-clear after 10 seconds, and copy protection
SHA256 checksums automatically generated and verified to detect any tampering or corruption of encrypted files
"Finally, a way to secure my Bitcoin without memorizing impossible passwords! The EFF wordlist passphrases are genius - I can actually remember 'purple-elephant-dancing-keyboard' but no hacker could guess it."
"As someone who manages multiple Bitcoin wallets, this tool is a game-changer. The EFF wordlist approach means I can create unique, memorable passphrases for each wallet without the mental overhead."
"The security research behind EFF wordlists is solid. This tool combines the best of both worlds - enterprise-grade encryption with human-friendly passphrases that actually work in practice."
Professional Bitcoin mnemonic encryption tool with EFF Large Wordlist passphrase generation. Secure your Bitcoin seeds with memorable words instead of complex passwords.
Regular passwords are often too simple (birthdays, phone numbers, common characters), which hackers can easily crack through dictionary attacks. Moreover, many people reuse the same password across multiple websites, so once a website's data is leaked, attackers may use the leaked password to try to unlock your mnemonic phrase. Our tool uses AES-256-GCM encryption combined with KDF (PBKDF2/Argon2) key stretching, which significantly increases the cost of cracking even with weak passwords. Additionally, we recommend using EFF Passphrases (4-6 random words), which are both easy to remember and highly secure.
EFF (Electronic Frontier Foundation) provides a large-scale wordlist to help users generate strong and memorable passphrases. For example: correct-horse-battery-staple. Compared to complex and hard-to-remember random passwords, EFF Passphrases are more user-friendly while still having sufficient randomness to resist brute-force attacks.
Mnemonic phrases are the root of Bitcoin private keys, and once leaked, assets cannot be recovered. Our tool supports completely offline encryption, which can be run in a non-networked environment to avoid keyboard input being monitored and uploaded by malicious software. This ensures that the encryption process does not rely on any remote server, maximizing security.
Hardware wallets: Focus on offline signing of private keys, but mnemonic phrases usually still need to be written down and stored by users. Our tool: Focuses on secure storage of mnemonic phrases, using AES-256-GCM encryption for storage. Even if files are leaked, they are difficult to crack. The safest approach is to combine hardware wallets with our encryption storage tool.
When downloading and using encrypted files, SHA256 checksums can help you confirm that the files have not been tampered with. We automatically generate SHA256 checksums during encryption and verify them during decryption to prevent decryption failures or security risks due to file corruption or malicious modification.
Like mnemonic phrases, once forgotten, they cannot be recovered. This is a universal security principle for all decentralized wallets. We recommend: Properly store the Passphrase (paper/password manager/distributed storage); Do not store mnemonic phrases and Passphrases in the same place.