Bip39 Online Even though it utilizes BIP32 system you could still import BIP39 seeds into Electrum wallet. Also other than BIp32 There's BIP44 Model which some wallet use for that era of seeds. The program of the wallet takes advantage of a complete list of words taken from a vocabulary; https://social-galaxy.com/story3955882/bip39-vs-bip44-the-smart-trick-of-bip39-word-list-that-no-one-is-discussing