Bip39 Online. Due to the cryptographic style of BIP-39, a weak passphrase would not lessen the security of the other wallets or enable reveal the seed words. Indeed, BIP39 passphrases are scenario-delicate. Ensure that you enter your passphrase specifically as you set it up, including any uppercase or lowercase letters. https://infopagex.com/story3972053/bip-39-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic