Bip39 js https://pixabay.com/users/51089543/ Though it takes advantage of BIP32 method you could even now import BIP39 seeds into Electrum wallet. Also other than BIp32 There may be BIP44 Edition which some wallet use for that generation of seeds. It can be very simple — if you don't stress about copyright https://totalbookmarking.com/story20083301/bip39-vs-bip84-not-known-details-about-bip39-word-list-txt-https-linktr-ee-bip39