Bip39 To Private Key. Though it utilizes BIP32 strategy you could even now import BIP39 seeds into Electrum wallet. Also in addition to BIp32 You can find BIP44 version which some wallet use to the era of seeds. We welcome contributions from the Neighborhood for making Seed Phrase Checker even https://remingtonnxisc.wikitidings.com/6031888/the_anatomy_of_the_bip39_phrase_entropy_words_and_phrases_and_safety