Wallets & keys

BIP39 Seed Phrase Generator

Generate an English BIP39 mnemonic using cryptographic randomness locally.

Runs locally

Security & privacy. Sensitive inputs and calculations stay on your device. No secrets are sent to the backend or saved in browser storage. Clear the form and result when finished. These key tools have not received an independent security audit; do not use it with real funds.

Use this tool

Runs on your device. No wallet secrets are sent to the server. These key tools have not received an independent audit; do not use with real funds.

English BIP39 word list. Choose 12, 15, 18, 21 or 24 words.

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What this tool is for

BIP39 describes how random entropy and a checksum become a mnemonic. This generator uses cryptographic randomness in local Rust/WASM and keeps the mnemonic on your device.

Supported behavior

English BIP39 word list. Choose 12, 15, 18, 21 or 24 words.

Security & privacy

Sensitive inputs and calculations stay on your device. No secrets are sent to the backend or saved in browser storage. Clear the form and result when finished. These key tools have not received an independent security audit; do not use it with real funds.