Mnemonic Code Converter

Mnemonic

You can enter an existing BIP39 mnemonic, or generate a new random one. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum)

For more info see the BIP39 spec

BIP39 Mnemonic

Number of words

BIP39 Passphrase (optional)

BIP39 Seed

Coin

BIP32 Root Key

For more info see the BIP44 spec

Purpose

Coin

Account

External / Internal

BIP32 Derivation Path

For more info see the BIP32 spec

BIP32 Derivation Path

Use hardened addresses

Hive Wallet

Use path m/0'/0. For more info see the Hive Wallet homepage

Mycelium Wallet

Use path m/44'/0'/0'/0. For more info see the Mycelium Wallet homepage

Bitcoin Core

Use path m/0'/0' with hardened addresses. For more info see the Bitcoin Core BIP32 implementation

Derived Addresses

Note these addreses are derived from the BIP32 Extended Key

Path	Address	Private Key

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More info

BIP39 Mnemonic code for generating deterministic keys

BIP32 Hierarchical Deterministic Wallets

Read more at the official BIP32 spec and see the demo at bip32.org

BIP44 Multi-Account Hierarchy for Deterministic Wallets

Private Keys

Use private keys at brainwallet.org, but be careful - it can be easy to make mistakes if you don't know what you're doing

Offline Usage

You can use this tool without having to be online.

In your browser, select file save-as, and save this page as a file.

Double-click that file to open it in a browser on any offline computer.

Alternatively, download it from https://github.com/dcpos/bip39

This project is 100% open-source code

Get the source code at - https://github.com/dcpos/bip39

Libraries

BitcoinJS - https://github.com/bitcoinjs/bitcoinjs-lib

jsBIP39 - https://github.com/iancoleman/jsbip39

sjcl - https://github.com/bitwiseshiftleft/sjcl

jQuery - https://jquery.com/

Twitter Bootstrap - http://getbootstrap.com/