Bip39 library https://www.tumblr.com/generalllamacolor/787594721599078400/can-you-depend-on-online-bip39-generators-a While it employs BIP32 technique it is possible to even now import BIP39 seeds into Electrum wallet. Also apart from BIp32 there is BIP44 version which some wallet use for your era of seeds. BIP39 is like the ability to “study” and comprehend the seed phrase. But, https://web.archive.org/web/20250626195628/https://bip39-phrase.com/