Bip39 min js https://www.symbaloo.com/mix/bookmarks-xfkm Regardless that it makes use of BIP32 system you'll be able to continue to import BIP39 seeds into Electrum wallet. Also besides BIp32 There is certainly BIP44 version which some wallet use for that era of seeds. If Yet another wallet does not assistance a derivation https://reallivesocial.com/story6162694/bip39-meaning-the-smart-trick-of-bip39-wallet-that-no-one-is-discussing-https-t-me-bip39-chat