Bip39 checker https://josueaqpi312.huicopper.com/leading-5-online-bip39-generators-for-easy-copyright-security Though it utilizes BIP32 system you could even now import BIP39 seeds into Electrum wallet. Also besides BIp32 There may be BIP44 Variation which some wallet use to the technology of seeds. Thanks to the cryptographic structure of BIP-39, a weak passphrase won't lessen the se... https://siambookmark.com/story20127406/bip39-recovery-tool-bip39-compatible-wallet-options-https-x-com-tundra838554