Bip39 Mnemonic Generator. Despite the fact that you will discover BIP39 wordlists in languages besides English, it's strongly not suggested to employ non-English words for wallet backups. It would make restoring the wallet hard or extremely hard. No, there is not any technological limit for the size of the passphrase. https://bookmarkbooth.com/story19352268/bip39-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic