Bip39 generator offline https://writeablog.net/ipennywpzc/the-ultimate-overview-to-offline-bip39-generators-remain-secure Though it makes use of BIP32 strategy it is possible to nevertheless import BIP39 seeds into Electrum wallet. Also in addition to BIp32 You can find BIP44 Model which some wallet use to the generation of seeds. Due to the cryptographic style and design of BIP-39, https://onelifesocial.com/story6018457/bip39-metal-indicators-on-bip39-standard-you-should-know-https-linktr-ee-bip39