# Mnemonic to Seed Converter

> Learn the distinction between a mnemonic phrase and its derived seed.

Mode: Runs locally.

## Supported behavior

English BIP39 with Unicode normalization. The optional passphrase changes the wallet.

## Security and 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.

[Security model](https://qbitcoin.live/security/index.md) · [QBitcoin home](https://qbitcoin.live/index.md)