Seed Phrase Generator Online Although it uses BIP32 process you can however import BIP39 seeds into Electrum wallet. Also apart from BIp32 There is certainly BIP44 version which some wallet use for that technology of seeds. You can see the entire supply code in standalone, offline html file. Alternatively you https://bookmarkhard.com/story18603679/bip39-mnemonic-words-bip39-an-overview