Bip39. At first you must store it Independently from your seed. Acquiring your seed along with your passphrase in the identical locale defeats the goal of having a passphrase in the first place. What constitutes a "great wallet" is one that has apparent, simple to entry documentation on supported BIP https://bookmarksoflife.com/story4440706/bip39-generator-https-linktr-ee-bip39-a-review-of-bip39-words