Bip39 Online. Although there are BIP39 wordlists in languages apart from English, it truly is strongly not advisable to make use of non-English words for wallet backups. It'd make restoring the wallet challenging or not possible. No, there is not any specialized Restrict on the length of the passphrase. However, https://sound-social.com/story8640648/bip39-passphrase-https-linktr-ee-bip39-not-known-factual-statements-about-ian-coleman-bip39