Mnemonic Code Converter

Personal phrase

If you don't want to be tied to BIP39 phrase length 3,6,9,12,... you can enter here your own custom phrase of any kind. You could call it a brain wallet. You can use any language, any symbols.

This will be used as a seed for entropy from which BIP39 phrase will be generated. In this case you don't need to remember BIP39 phrase just your personal one.

Using very short or uncomplicated phrase defeats the purpose of BIP39 phrase, so make sure you use at least 6 words or at least 40 mixed characters. Read more

If you use this, there is no need to use "BIP39 Passphrase"

Recovery phrase

You can enter an existing BIP39 recovery phrase, 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 your own words use Personal Phrase.

For more info see the BIP39 spec

Derivation Path


For more info see the BIP44 spec


For more info see the BIP32 spec

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

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

Derived Addresses

Note these addreses are derived from the BIP32 Extended Key

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More info

Personal Phrase

Do NOT use phrases from books, lyrics from songs, your birthday or street address, keyboard mashing, or anything you think is random, because chances are overwhelming it isn't random enough for the needs of this tool.

Using Diceware Passphrase as one personal phrase is a good idea with minimum 6 words. Also one string with 40 random characters is a good password.

As phrase like "I'm smart" will generate 24 BIP39 words. As much as 24 words is strong phrase, your "I'm smart" is not, because now another smart person can use this tool to try to generate 24 BIP39 words from dump short personal phrases.

BIP39 Mnemonic code for generating deterministic keys

Read more at the official BIP39 spec

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

Read more at the official BIP44 spec

Private Keys

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/skironDotNet/bip39

This project is 100% open-source code

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

Originally based on - https://github.com/Coinomi/bip39

Originally based on - https://github.com/iancoleman/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/

QRCode for Javascript http://jeromeetienne.github.com/jquery-qrcode/

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