Bip39 mnemonic generator https://felixkkjt585.theglensecret.com/bip39-word-checklist-generator-crafting-your-own-special-seed-phrase While it employs BIP32 technique you can however import BIP39 seeds into Electrum wallet. Also other than BIp32 There may be BIP44 Variation which some wallet use to the generation of seeds. BIP39 solves this through the use of human-readable seed phrase... https://letusbookmark.com/story22572987/bip39-light-standard-not-known-details-about-bip39-word-list-txt-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw