Bip39 Online. At the start you need to retail store it Independently from your seed. Acquiring your seed as well as your passphrase in exactly the same site defeats the objective of aquiring a passphrase in the first place. Any one else who discovers the phrase can steal the bitcoins. https://sb-bookmarking.com/story19452246/bip39-passphrase-https-linktr-ee-bip39-the-fact-about-bip39-words-that-no-one-is-suggesting