BIP39 Word List & Converter
Search, convert, and validate BIP39 mnemonic words instantly. 100% client-side, secure, and offline-ready. Standard index (1-2048) for Ledger/Trezor users.
Search BIP39 Words
Word Number Converter
Mnemonic Validator
Complete Word List
Scroll to view all 2048 BIP39 words. Need a printable version? Download the PDF
The Most Secure BIP39 Word List Tool
This is the most secure, offline-capable BIP39 word list search and converter tool. It supports both standard (1-2048) indexing used by Ledger and Trezor hardware wallets, and developer (0-2047) indexing for technical documentation. All 2048 words are sourced directly from the official Bitcoin BIPs repository.
Tool Features
Instant Word Search
Type any letters to instantly filter and find BIP39 words. See each word with its corresponding index number in real-time.
Word ↔ Number Converter
Convert any BIP39 word to its index number, or enter a number (1-2048 or 0-2047) to find the corresponding word.
Seed Phrase Validator
Paste your entire seed phrase to verify each word is valid. Invalid words are highlighted instantly with their positions.
Compatible Wallets
Works with all BIP39-compatible wallets: Ledger Nano S/X/S Plus, Trezor One/Model T/Safe 3, Coldcard, BitBox02, Keystone, Exodus, Electrum, MetaMask, Trust Wallet, and more. The standard 1-2048 index matches what you see on your hardware wallet screen.