Bip39 Passphrase Generator. The seed phrase is usually converted to the amount which is used since the seed integer to the deterministic wallet that generates many of the important pairs used in the wallet. The BIP39 standard also defines an choice for people to incorporate a lengthy "password" of sorts https://begindirectory.com/listings13048757/bip39-python-https-linktr-ee-bip39-about-bip39