Bip39 Tool. Thanks to the cryptographic style and design of BIP-39, a weak passphrase doesn't reduce the security of another wallets or enable reveal the seed words. And you should have written it down in case you were being hoping to keep an alternative open up to restore your accounts. https://fatallisto.com/story8370275/bip39-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained