Bip39 standalone html https://jsbin.com/titaniseko Despite the fact that it works by using BIP32 method you could even now import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There's BIP44 version which some wallet use to the technology of seeds. Each individual word’s first 4 characters are exclusive, allowing https://bookmarkwuzz.com/story20518465/bip39-generator-with-balance-5-tips-about-bip39-checksum-you-can-use-today-https-cutt-ly-uryc5rw7 
